Re: [PATCH v8 01/17] drm/dp_mst: Add PBN calculation for DSC modes

[kbuild test robot]

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20191203]
[cannot apply to drm-intel/for-linux-next linus/master v5.4-rc8 
drm-exynos/exynos-drm-next v5.4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/mikita-lipski-amd-com/DSC-MST-support-for-DRM-and-AMDGPU/20191204-020604
base:1ab75b2e415a29dba9aec94f203c6f88dbfc0ba0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-91-g817270f-dirty
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 


sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c:28:43: sparse: sparse: 
>> not enough arguments for function drm_dp_calc_pbn_mode

vim +28 drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c

7cbce45d624322 Lyude Paul 2019-09-03  13  
7cbce45d624322 Lyude Paul 2019-09-03  14  int igt_dp_mst_calc_pbn_mode(void 
*ignored)
7cbce45d624322 Lyude Paul 2019-09-03  15  {
7cbce45d624322 Lyude Paul 2019-09-03  16int pbn, i;
7cbce45d624322 Lyude Paul 2019-09-03  17const struct {
7cbce45d624322 Lyude Paul 2019-09-03  18int rate;
7cbce45d624322 Lyude Paul 2019-09-03  19int bpp;
7cbce45d624322 Lyude Paul 2019-09-03  20int expected;
7cbce45d624322 Lyude Paul 2019-09-03  21} test_params[] = {
7cbce45d624322 Lyude Paul 2019-09-03  22{ 154000, 30, 689 },
7cbce45d624322 Lyude Paul 2019-09-03  23{ 234000, 30, 1047 },
7cbce45d624322 Lyude Paul 2019-09-03  24{ 297000, 24, 1063 },
7cbce45d624322 Lyude Paul 2019-09-03  25};
7cbce45d624322 Lyude Paul 2019-09-03  26  
7cbce45d624322 Lyude Paul 2019-09-03  27for (i = 0; i < 
ARRAY_SIZE(test_params); i++) {
7cbce45d624322 Lyude Paul 2019-09-03 @28pbn = 
drm_dp_calc_pbn_mode(test_params[i].rate,
7cbce45d624322 Lyude Paul 2019-09-03  29
   test_params[i].bpp);
7cbce45d624322 Lyude Paul 2019-09-03  30FAIL(pbn != 
test_params[i].expected,
7cbce45d624322 Lyude Paul 2019-09-03  31 "Expected PBN %d 
for clock %d bpp %d, got %d\n",
7cbce45d624322 Lyude Paul 2019-09-03  32 
test_params[i].expected, test_params[i].rate,
7cbce45d624322 Lyude Paul 2019-09-03  33 
test_params[i].bpp, pbn);
7cbce45d624322 Lyude Paul 2019-09-03  34}
7cbce45d624322 Lyude Paul 2019-09-03  35  
7cbce45d624322 Lyude Paul 2019-09-03  36return 0;
7cbce45d624322 Lyude Paul 2019-09-03  37  }
2f015ec6eab693 Lyude Paul 2019-09-03  38  

:: The code at line 28 was first introduced by commit
:: 7cbce45d6243225914b5c967b4ee927a2327842a drm/dp_mst: Move 
test_calc_pbn_mode() into an actual selftest

:: TO: Lyude Paul 
:: CC: Lyude Paul 

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Re: [PATCH v8 16/17] drm/dp_mst: Add helper to trigger modeset on affected DSC MST CRTCs

[kbuild test robot]

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20191203]
[cannot apply to drm-intel/for-linux-next linus/master v5.4-rc8 v5.4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/mikita-lipski-amd-com/DSC-MST-support-for-DRM-and-AMDGPU/20191204-020604
base:1ab75b2e415a29dba9aec94f203c6f88dbfc0ba0
reproduce: make htmldocs

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 

All warnings (new ones prefixed by >>):

   fs/posix_acl.c:647: warning: Function parameter or member 'mode_p' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'acl' not 
described in 'posix_acl_update_mode'
   include/linux/regulator/machine.h:196: warning: Function parameter or member 
'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:223: warning: Function parameter or member 
'resume' not described in 'regulator_ops'
   sound/soc/soc-core.c:2509: warning: Function parameter or member 
'legacy_dai_naming' not described in 'snd_soc_register_dai'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 'list' not 
described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'skb_mstamp_ns' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__pkt_vlan_present_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'vlan_present' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:232: warning: Function parameter or member 'skc_addrpair' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_portpair' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_ipv6only' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_v6_daddr' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_cookie' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_listener' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_tw_dr' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_rcv_wnd' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_tw_rcv_nxt' not described in 'sock_common'
   include/net/sock.h:514: warning: Function parameter or member 
'sk_rx_skb_cache' not described in 'sock'
   include/net/sock.h:514: warning: Function parameter or member 'sk_wq_raw' 
not described in 'sock'
   include/net/sock.h:514: warning: Fu

Re: [PATCH v8 11/17] drm/dp_mst: Add DSC enablement helpers to DRM

[kbuild test robot]

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20191203]
[cannot apply to drm-intel/for-linux-next linus/master v5.4-rc8 v5.4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/mikita-lipski-amd-com/DSC-MST-support-for-DRM-and-AMDGPU/20191204-020604
base:1ab75b2e415a29dba9aec94f203c6f88dbfc0ba0
reproduce: make htmldocs

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 

All warnings (new ones prefixed by >>):

   drivers/usb/typec/class.c:1: warning: 'typec_altmode_register_notifier' not 
found
   fs/posix_acl.c:647: warning: Function parameter or member 'inode' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'mode_p' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'acl' not 
described in 'posix_acl_update_mode'
   include/linux/regulator/machine.h:196: warning: Function parameter or member 
'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:223: warning: Function parameter or member 
'resume' not described in 'regulator_ops'
   sound/soc/soc-core.c:2509: warning: Function parameter or member 
'legacy_dai_naming' not described in 'snd_soc_register_dai'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 'list' not 
described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'skb_mstamp_ns' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__pkt_vlan_present_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'vlan_present' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:232: warning: Function parameter or member 'skc_addrpair' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_portpair' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_ipv6only' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_v6_daddr' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_cookie' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_listener' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_tw_dr' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_rcv_wnd' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_tw_rcv_nxt' not described in 'sock_common'
   include/net/sock.h:514: warning: Function parameter or 

Re: [PATCH v8 02/17] drm/dp_mst: Parse FEC capability on MST ports

[kbuild test robot]

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20191203]
[cannot apply to drm-intel/for-linux-next linus/master v5.4-rc8 v5.4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/mikita-lipski-amd-com/DSC-MST-support-for-DRM-and-AMDGPU/20191204-020604
base:1ab75b2e415a29dba9aec94f203c6f88dbfc0ba0
reproduce: make htmldocs

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 

All warnings (new ones prefixed by >>):

   drivers/usb/typec/bus.c:1: warning: 'typec_altmode_unregister_driver' not 
found
   drivers/usb/typec/bus.c:1: warning: 'typec_altmode_register_driver' not found
   drivers/usb/typec/class.c:1: warning: 'typec_altmode_register_notifier' not 
found
   drivers/usb/typec/class.c:1: warning: 'typec_altmode_unregister_notifier' 
not found
   fs/posix_acl.c:647: warning: Function parameter or member 'inode' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'mode_p' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:647: warning: Function parameter or member 'acl' not 
described in 'posix_acl_update_mode'
   sound/soc/soc-core.c:2509: warning: Function parameter or member 
'legacy_dai_naming' not described in 'snd_soc_register_dai'
   include/linux/regulator/machine.h:196: warning: Function parameter or member 
'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:223: warning: Function parameter or member 
'resume' not described in 'regulator_ops'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'dev_scratch' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 'list' not 
described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'ip_defrag_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'skb_mstamp_ns' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__cloned_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'head_frag' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__pkt_type_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'encapsulation' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'encap_hdr_csum' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_valid' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'__pkt_vlan_present_offset' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'vlan_present' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_complete_sw' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'csum_level' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'inner_protocol_type' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'remcsum_offload' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'sender_cpu' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'reserved_tailroom' not described in 'sk_buff'
   include/linux/skbuff.h:888: warning: Function parameter or member 
'inner_ipproto' not described in 'sk_buff'
   include/net/sock.h:232: warning: Function parameter or member 'skc_addrpair' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_portpair' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_ipv6only' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_net_refcnt' not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_v6_daddr' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 
'skc_v6_rcv_saddr' not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_cookie' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_listener' 
not described in 'sock_common'
   include/net/sock.h:232: warning: Function parameter or member 'skc_tw_dr' 
not described in 'sock_common'
   include/net/sock.h:232: w

Re: [PATCH] Cleanup: replace prefered with preferred

[kbuild test robot]

Hi Mark,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.4-rc4 next-20191024]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:
https://github.com/0day-ci/linux/commits/Mark-Salyzyn/Cleanup-replace-prefered-with-preferred/20191024-084105
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
13b86bc4cd648eae69fdcf3d04b2750c76350053
config: x86_64-randconfig-a004-201942 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot 

All errors (new ones prefixed by >>):

   In file included from include/linux/sysctl.h:30:0,
from include/linux/key.h:17,
from include/linux/cred.h:13,
from include/linux/seq_file.h:12,
from include/linux/cgroup.h:18,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
>> include/uapi/linux/sysctl.h:561:29: error: expected ',' or '}' before 
>> '__attribute__'
 NET_IPV6_TEMP_PREFERED_LFT __attribute__((deprecated)) = /* NOTYPO */
^
   make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2
   29 real  5 user  4 sys  35.37% cpu   make prepare

vim +561 include/uapi/linux/sysctl.h

   546  
   547  enum {
   548  NET_IPV6_FORWARDING=1,
   549  NET_IPV6_HOP_LIMIT=2,
   550  NET_IPV6_MTU=3,
   551  NET_IPV6_ACCEPT_RA=4,
   552  NET_IPV6_ACCEPT_REDIRECTS=5,
   553  NET_IPV6_AUTOCONF=6,
   554  NET_IPV6_DAD_TRANSMITS=7,
   555  NET_IPV6_RTR_SOLICITS=8,
   556  NET_IPV6_RTR_SOLICIT_INTERVAL=9,
   557  NET_IPV6_RTR_SOLICIT_DELAY=10,
   558  NET_IPV6_USE_TEMPADDR=11,
   559  NET_IPV6_TEMP_VALID_LFT=12,
   560  NET_IPV6_TEMP_PREFERRED_LFT = 13,
 > 561  NET_IPV6_TEMP_PREFERED_LFT __attribute__((deprecated)) = /* 
 > NOTYPO */
   562  NET_IPV6_TEMP_PREFERRED_LFT,
   563  NET_IPV6_REGEN_MAX_RETRY=14,
   564  NET_IPV6_MAX_DESYNC_FACTOR=15,
   565  NET_IPV6_MAX_ADDRESSES=16,
   566  NET_IPV6_FORCE_MLD_VERSION=17,
   567  NET_IPV6_ACCEPT_RA_DEFRTR=18,
   568  NET_IPV6_ACCEPT_RA_PINFO=19,
   569  NET_IPV6_ACCEPT_RA_RTR_PREF=20,
   570  NET_IPV6_RTR_PROBE_INTERVAL=21,
   571  NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN=22,
   572  NET_IPV6_PROXY_NDP=23,
   573  NET_IPV6_ACCEPT_SOURCE_ROUTE=25,
   574  NET_IPV6_ACCEPT_RA_FROM_LOCAL=26,
   575  NET_IPV6_ACCEPT_RA_RT_INFO_MIN_PLEN=27,
   576  __NET_IPV6_MAX
   577  };
   578  

---
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.config.gz
Description: application/gzip
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Re: [PATCH 1/9] dma-buf: add new dma_fence_chain container v6

[kbuild test robot]

Hi Chunming,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.1-rc1 next-20190320]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Chunming-Zhou/dma-buf-add-new-dma_fence_chain-container-v6/20190320-223607
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'


sparse warnings: (new ones prefixed by >>)

>> drivers/dma-buf/dma-fence-chain.c:73:23: sparse: incorrect type in 
>> initializer (different address spaces) @@expected struct dma_fence 
>> [noderef] *__old @@got  dma_fence [noderef] *__old @@
   drivers/dma-buf/dma-fence-chain.c:73:23:expected struct dma_fence 
[noderef] *__old
   drivers/dma-buf/dma-fence-chain.c:73:23:got struct dma_fence *[assigned] 
prev
>> drivers/dma-buf/dma-fence-chain.c:73:23: sparse: incorrect type in 
>> initializer (different address spaces) @@expected struct dma_fence 
>> [noderef] *__new @@got  dma_fence [noderef] *__new @@
   drivers/dma-buf/dma-fence-chain.c:73:23:expected struct dma_fence 
[noderef] *__new
   drivers/dma-buf/dma-fence-chain.c:73:23:got struct dma_fence *[assigned] 
replacement
>> drivers/dma-buf/dma-fence-chain.c:73:21: sparse: incorrect type in 
>> assignment (different address spaces) @@expected struct dma_fence *tmp 
>> @@got struct dma_fence [noderef] *[assigned] __ret
>> drivers/dma-buf/dma-fence-chain.c:190:28: sparse: incorrect type in argument 
>> 1 (different address spaces) @@expected struct dma_fence *fence @@
>> got struct dma_fence struct dma_fence *fence @@
   drivers/dma-buf/dma-fence-chain.c:190:28:expected struct dma_fence *fence
   drivers/dma-buf/dma-fence-chain.c:190:28:got struct dma_fence [noderef] 
*prev
>> drivers/dma-buf/dma-fence-chain.c:222:21: sparse: incorrect type in 
>> assignment (different address spaces) @@expected struct dma_fence 
>> [noderef] *prev @@got [noderef] *prev @@
   drivers/dma-buf/dma-fence-chain.c:222:21:expected struct dma_fence 
[noderef] *prev
   drivers/dma-buf/dma-fence-chain.c:222:21:got struct dma_fence *prev
   drivers/dma-buf/dma-fence-chain.c:235:33: sparse: expression using 
sizeof(void)
   drivers/dma-buf/dma-fence-chain.c:235:33: sparse: expression using 
sizeof(void)

vim +73 drivers/dma-buf/dma-fence-chain.c

38  
39  /**
40   * dma_fence_chain_walk - chain walking function
41   * @fence: current chain node
42   *
43   * Walk the chain to the next node. Returns the next fence or NULL if 
we are at
44   * the end of the chain. Garbage collects chain nodes which are already
45   * signaled.
46   */
47  struct dma_fence *dma_fence_chain_walk(struct dma_fence *fence)
48  {
49  struct dma_fence_chain *chain, *prev_chain;
50  struct dma_fence *prev, *replacement, *tmp;
51  
52  chain = to_dma_fence_chain(fence);
53  if (!chain) {
54  dma_fence_put(fence);
55  return NULL;
56  }
57  
58  while ((prev = dma_fence_chain_get_prev(chain))) {
59  
60  prev_chain = to_dma_fence_chain(prev);
61  if (prev_chain) {
62  if (!dma_fence_is_signaled(prev_chain->fence))
63  break;
64  
65  replacement = 
dma_fence_chain_get_prev(prev_chain);
66  } else {
67  if (!dma_fence_is_signaled(prev))
68  break;
69  
70  replacement = NULL;
71  }
72  
  > 73  tmp = cmpxchg(>prev, prev, replacement);
74  if (tmp == prev)
75  dma_fence_put(tmp);
76  else
77  dma_fence_put(replacement);
78  dma_fence_put(prev);
79  }
80  
81  dma_fence_put(fence);
82  return prev;
83  }
84  EXPORT_SYMBOL(dma_fence_chain_walk);
85  
86  /**
87   * dma_fence_chain_find_seqno - find fence chain node by seqno
88   * @pfence: pointer to the chain node where to start
89   * @seqno: the sequence number to search for
90   *
91   * Advance the fence pointer to the chain node which will signal this 
sequence
92   * number. If no sequence number is provided then this is a no-op.
93   *
94   * Returns EINVAL if the fence is not a chain node or the sequence 
number has
95   * not yet advanced far enough.
96   */
97  int dma_fence_chain_find_seqno(struct dma_fence **pfence, uint64_t 
seqno)
98  {
99  struct dma_fence_chain *chain;
   100  

Re: [PATCH 5/9] drm/syncobj: use the timeline point in drm_syncobj_find_fence v3

[kbuild test robot]

Hi Chunming,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on next-20190306]
[cannot apply to v5.0]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Chunming-Zhou/dma-buf-add-new-dma_fence_chain-container-v5/20190316-055452
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'


sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/drm_syncobj.c:239:42: sparse: constant 50 is so big 
>> it is long
   include/linux/slab.h:664:13: sparse: undefined identifier 
'__builtin_mul_overflow'
   include/linux/slab.h:664:13: sparse: not a function 
   include/linux/slab.h:664:13: sparse: not a function 
   include/linux/slab.h:664:13: sparse: not a function 
   include/linux/slab.h:664:13: sparse: call with no type!

vim +239 drivers/gpu/drm/drm_syncobj.c

   215  
   216  /* 5s */
   217  #define DRM_SYNCOBJ_WAIT_FOR_SUBMIT_TIMEOUT 50
   218  /**
   219   * drm_syncobj_find_fence - lookup and reference the fence in a sync 
object
   220   * @file_private: drm file private pointer
   221   * @handle: sync object handle to lookup.
   222   * @point: timeline point
   223   * @flags: DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT or not
   224   * @fence: out parameter for the fence
   225   *
   226   * This is just a convenience function that combines drm_syncobj_find() 
and
   227   * drm_syncobj_fence_get().
   228   *
   229   * Returns 0 on success or a negative error value on failure. On 
success @fence
   230   * contains a reference to the fence, which must be released by calling
   231   * dma_fence_put().
   232   */
   233  int drm_syncobj_find_fence(struct drm_file *file_private,
   234 u32 handle, u64 point, u64 flags,
   235 struct dma_fence **fence)
   236  {
   237  struct drm_syncobj *syncobj = drm_syncobj_find(file_private, 
handle);
   238  struct syncobj_wait_entry wait;
 > 239  u64 timeout = 
 > nsecs_to_jiffies64(DRM_SYNCOBJ_WAIT_FOR_SUBMIT_TIMEOUT);
   240  int ret;
   241  
   242  if (!syncobj)
   243  return -ENOENT;
   244  
   245  *fence = drm_syncobj_fence_get(syncobj);
   246  drm_syncobj_put(syncobj);
   247  
   248  if (*fence) {
   249  ret = dma_fence_chain_find_seqno(fence, point);
   250  if (!ret)
   251  return 0;
   252  dma_fence_put(*fence);
   253  } else {
   254  ret = -EINVAL;
   255  }
   256  
   257  if (!(flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT))
   258  return ret;
   259  
   260  memset(, 0, sizeof(wait));
   261  wait.task = current;
   262  wait.point = point;
   263  drm_syncobj_fence_add_wait(syncobj, );
   264  
   265  do {
   266  set_current_state(TASK_INTERRUPTIBLE);
   267  if (wait.fence) {
   268  ret = 0;
   269  break;
   270  }
   271  if (timeout == 0) {
   272  ret = -ETIME;
   273  break;
   274  }
   275  
   276  if (signal_pending(current)) {
   277  ret = -ERESTARTSYS;
   278  break;
   279  }
   280  
   281  timeout = schedule_timeout(timeout);
   282  } while (1);
   283  
   284  __set_current_state(TASK_RUNNING);
   285  *fence = wait.fence;
   286  
   287  if (wait.node.next)
   288  drm_syncobj_remove_wait(syncobj, );
   289  
   290  return ret;
   291  }
   292  EXPORT_SYMBOL(drm_syncobj_find_fence);
   293  

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Re: [PATCH 1/9] dma-buf: add new dma_fence_chain container v5

[kbuild test robot]

Hi Christian,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.0 next-20190306]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Chunming-Zhou/dma-buf-add-new-dma_fence_chain-container-v5/20190313-080623
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

All warnings (new ones prefixed by >>):

>> drivers/dma-buf/dma-fence-chain.c:34:40: sparse: warning: incorrect type in 
>> argument 1 (different address spaces)
   drivers/dma-buf/dma-fence-chain.c:34:40: sparse:expected struct 
dma_fence [noderef]  **fencep
   drivers/dma-buf/dma-fence-chain.c:34:40: sparse:got struct dma_fence **

sparse warnings: (new ones prefixed by >>)

   drivers/dma-buf/dma-fence-chain.c:34:40: sparse: warning: incorrect type in 
argument 1 (different address spaces)
>> drivers/dma-buf/dma-fence-chain.c:34:40: sparse:expected struct 
>> dma_fence [noderef]  **fencep
>> drivers/dma-buf/dma-fence-chain.c:34:40: sparse:got struct dma_fence **

vim +34 drivers/dma-buf/dma-fence-chain.c

21  
22  /**
23   * dma_fence_chain_get_prev - use RCU to get a reference to the 
previous fence
24   * @chain: chain node to get the previous node from
25   *
26   * Use dma_fence_get_rcu_safe to get a reference to the previous fence 
of the
27   * chain node.
28   */
29  static struct dma_fence *dma_fence_chain_get_prev(struct 
dma_fence_chain *chain)
30  {
31  struct dma_fence *prev;
32  
33  rcu_read_lock();
  > 34  prev = dma_fence_get_rcu_safe(>prev);
35  rcu_read_unlock();
36  return prev;
37  }
38  

---
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Re: [PATCH] drm/amdgpu: fix typing in amdgpu_virt_ops::trans_msg

[kbuild test robot]

Hi Luc,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.0 next-20190304]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Luc-Van-Oostenryck/drm-amdgpu-fix-typing-in-amdgpu_virt_ops-trans_msg/20190305-001104
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 8.2.0
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=8.2.0 make.cross ARCH=ia64 

All error/warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/amd/amdgpu/amdgpu.h:77,
from 
drivers/gpu/drm/amd/amdgpu/../powerplay/inc/amd_powerplay.h:33,
from drivers/gpu/drm/amd/amdgpu/../powerplay/inc/hwmgr.h:27,
from 
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/vega12_thermal.h:27,
from 
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/vega12_thermal.c:24:
>> drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h:59:53: warning: 'enum idh_request' 
>> declared inside parameter list will not be visible outside of this 
>> definition or declaration
 void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req, u32 
data1, u32 data2, u32 data3);
^~~
--
   In file included from drivers/gpu/drm/amd/amdgpu/amdgpu.h:77,
from drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c:24:
>> drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h:59:53: warning: 'enum idh_request' 
>> declared inside parameter list will not be visible outside of this 
>> definition or declaration
 void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req, u32 
data1, u32 data2, u32 data3);
^~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c: In function 
'amdgpu_vf_error_trans_all':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c:82:35: error: type of formal 
>> parameter 2 is incomplete
  adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3);
  ^~~~
--
   In file included from drivers/gpu/drm/amd/amdgpu/amdgpu.h:77,
from drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c:24:
>> drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h:59:53: warning: 'enum idh_request' 
>> declared inside parameter list will not be visible outside of this 
>> definition or declaration
 void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req, u32 
data1, u32 data2, u32 data3);
^~~
>> drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c:376:15: error: initialization of 'void 
>> (*)(struct amdgpu_device *, enum idh_request,  u32,  u32,  u32)' {aka 'void 
>> (*)(struct amdgpu_device *, enum idh_request,  unsigned int,  unsigned int,  
>> unsigned int)'} from incompatible pointer type 'void (*)(struct 
>> amdgpu_device *, enum idh_request,  u32,  u32,  u32)' {aka 'void (*)(struct 
>> amdgpu_device *, enum idh_request,  unsigned int,  unsigned int,  unsigned 
>> int)'} [-Werror=incompatible-pointer-types]
 .trans_msg = xgpu_ai_mailbox_trans_msg,
  ^
   drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c:376:15: note: (near initialization for 
'xgpu_ai_virt_ops.trans_msg')
   cc1: some warnings being treated as errors

vim +376 drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c

f98b617e Monk Liu  2017-04-05  370  
c9c9de93 Xiangliang Yu 2017-03-10  371  const struct amdgpu_virt_ops 
xgpu_ai_virt_ops = {
c9c9de93 Xiangliang Yu 2017-03-10  372  .req_full_gpu   = 
xgpu_ai_request_full_gpu_access,
c9c9de93 Xiangliang Yu 2017-03-10  373  .rel_full_gpu   = 
xgpu_ai_release_full_gpu_access,
f98b617e Monk Liu  2017-04-05  374  .reset_gpu = 
xgpu_ai_request_reset,
b5914238 pding 2017-10-24  375  .wait_reset = NULL,
89041940 Gavin Wan 2017-06-23 @376  .trans_msg = 
xgpu_ai_mailbox_trans_msg,

:: The code at line 376 was first introduced by commit
:: 890419409a3aba2ca7185a824e47d8ded8df11a2 drm/amdgpu: Support passing 
amdgpu critical error to host via GPU Mailbox.

:: TO: Gavin Wan 
:: CC: Alex Deucher 

---
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Re: [Intel-gfx] [PATCH 1/3] drm/i915: Move dsc rate params compute into drm

[kbuild test robot via amd-gfx]

Hi David,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.0-rc4 next-20190213]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/David-Francis/Make-DRM-DSC-helpers-more-generally-usable/20190214-052541
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   net/mac80211/sta_info.h:590: warning: Function parameter or member 
'tx_stats.last_rate' not described in 'sta_info'
   net/mac80211/sta_info.h:590: warning: Function parameter or member 
'tx_stats.msdu' not described in 'sta_info'
   kernel/rcu/tree.c:711: warning: Excess function parameter 'irq' description 
in 'rcu_nmi_exit'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.active' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.active' not described in 'dma_buf'
   include/linux/dma-fence-array.h:54: warning: Function parameter or member 
'work' not described in 'dma_fence_array'
   include/linux/firmware/intel/stratix10-svc-client.h:1: warning: no 
structured comments found
   include/linux/gpio/driver.h:371: warning: Function parameter or member 
'init_valid_mask' not described in 'gpio_chip'
   include/linux/iio/hw-consumer.h:1: warning: no structured comments found
   include/linux/input/sparse-keymap.h:46: warning: Function parameter or 
member 'sw' not described in 'key_entry'
   drivers/mtd/nand/raw/nand_base.c:420: warning: Function parameter or member 
'chip' not described in 'nand_fill_oob'
   drivers/mtd/nand/raw/nand_bbt.c:173: warning: Function parameter or member 
'this' not described in 'read_bbt'
   drivers/mtd/nand/raw/nand_bbt.c:173: warning: Excess function parameter 
'chip' description in 'read_bbt'
   include/linux/regulator/machine.h:199: warning: Function parameter or member 
'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:228: warning: Function parameter or member 
'resume' not described in 'regulator_ops'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw0' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw1' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw2' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw3' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.eadm' not described in 'irb'
   drivers/slimbus/stream.c:1: warning: no structured comments found
   include/linux/spi/spi.h:180: warning: Function parameter or member 
'driver_override' not described in 'spi_device'
   drivers/target/target_core_device.c:1: warning: no structured comments found
   drivers/usb/typec/bus.c:1: warning: no structured comments found
   drivers/usb/typec/class.c:1: warning: no structured comments found
   include/linux/w1.h:281: warning: Function parameter or member 
'of_match_table' not described in 'w1_family'
   fs/direct-io.c:257: warning: Excess function parameter 'offset' description 
in 'dio_complete'
   fs/file_table.c:1: warning: no structured comments found
   fs/libfs.c:477: warning: Excess function parameter 'available' description 
in 'simple_write_end'
   fs/posix_acl.c:646: warning: Function parameter or member 'inode' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not 
described in 'posix_acl_update_mode'
   fs/posix_acl.c:646: warning: Function parameter or member 'acl' not 
described in 'posix_acl_update_mode'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function 
parameter 'mm' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function 
parameter 'start' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function 
parameter 'end' description in 'amdgpu_mn_invalidate_range_start_hsa'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function 
parameter 'mm' description in 'amdgpu_mn_invalidate_range_end'
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function 
parameter 'start' description in 'amdgpu_mn_invalidate_range_end'
   

Re: [PATCH v6 1/2] drm/sched: Refactor ring mirror list handling.

[kbuild test robot]

Hi Andrey,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on next-20181224]
[cannot apply to v4.20]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Andrey-Grodzovsky/drm-sched-Refactor-ring-mirror-list-handling/20181228-035754
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'rx_stats_avg.chain_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.filtered' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.retry_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.retry_count' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.lost_packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_tdls_pkt_time' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.msdu_retries' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.msdu_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_ack' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.ack_signal_filled' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.avg_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.bytes' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.last_rate' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.msdu' not described in 'sta_info'
   kernel/rcu/tree.c:711: warning: Excess function parameter 'irq' description 
in 'rcu_nmi_exit'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_excl.active' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.cb' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.poll' not described in 'dma_buf'
   include/linux/dma-buf.h:304: warning: Function parameter or member 
'cb_shared.active' not described in 'dma_buf'
   include/linux/dma-fence-array.h:54: warning: Function parameter or member 
'work' not described in 'dma_fence_array'
   include/linux/gpio/driver.h:375: warning: Function parameter or member 
'init_valid_mask' not described in 'gpio_chip'
   include/linux/iio/hw-consumer.h:1: warning: no structured comments found
   include/linux/input/sparse-keymap.h:46: warning: Function parameter or 
member 'sw' not described in 'key_entry'
   drivers/mtd/nand/raw/nand_base.c:420: warning: Function parameter or member 
'chip' not described in 'nand_fill_oob'
   drivers/mtd/nand/raw/nand_bbt.c:173: warning: Function parameter or member 
'this' not described in 'read_bbt'
   drivers/mtd/nand/raw/nand_bbt.c:173: warning: Excess function parameter 
'chip' description in 'read_bbt'
   include/linux/regulator/machine.h:199: warning: Function parameter or member 
'max_uV_step' not described in 'regulation_constraints'
   include/linux/regulator/driver.h:228: warning: Function parameter or member 
'resume' not described in 'regulator_ops'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw0' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw1' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw2' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.esw3' not described in 'irb'
   arch/s390/include/asm/cio.h:245: warning: Function parameter or member 
'esw.eadm' not described in 'irb'
   drivers/slimbus/stream.c:1: warning: no structured comments found
   include/linux/spi/spi.h:180: warning: Function parameter or member 
'driver_override' not 

Re: [PATCH v2 2/2] drm/amd: validate user GEM object size

[kbuild test robot]

Hi Yu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.20-rc7 next-20181221]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Yu-Zhao/drm-amd-validate-user-pitch-alignment/20181222-153630
config: i386-randconfig-h1-12231406 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/gpu//drm/amd/amdgpu/amdgpu_display.c: In function 
'amdgpu_display_user_framebuffer_create':
>> drivers/gpu//drm/amd/amdgpu/amdgpu_display.c:556:3: warning: format '%ld' 
>> expects argument of type 'long int', but argument 4 has type 'size_t' 
>> [-Wformat=]
  DRM_DEBUG_KMS("Invalid GEM size: expecting >= %d but got %ld\n",
  ^

vim +556 drivers/gpu//drm/amd/amdgpu/amdgpu_display.c

   521  
   522  struct drm_framebuffer *
   523  amdgpu_display_user_framebuffer_create(struct drm_device *dev,
   524 struct drm_file *file_priv,
   525 const struct drm_mode_fb_cmd2 
*mode_cmd)
   526  {
   527  struct drm_gem_object *obj;
   528  struct amdgpu_framebuffer *amdgpu_fb;
   529  int ret;
   530  int height;
   531  struct amdgpu_device *adev = dev->dev_private;
   532  int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
   533  int pitch = amdgpu_align_pitch(adev, mode_cmd->pitches[0], cpp, 
false);
   534  
   535  if (mode_cmd->pitches[0] != pitch) {
   536  DRM_DEBUG_KMS("Invalid pitch: expecting %d but got 
%d\n",
   537pitch, mode_cmd->pitches[0]);
   538  return ERR_PTR(-EINVAL);
   539  }
   540  
   541  obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
   542  if (obj ==  NULL) {
   543  dev_err(>pdev->dev, "No GEM object associated to 
handle 0x%08X, "
   544  "can't create framebuffer\n", 
mode_cmd->handles[0]);
   545  return ERR_PTR(-ENOENT);
   546  }
   547  
   548  /* Handle is imported dma-buf, so cannot be migrated to VRAM 
for scanout */
   549  if (obj->import_attach) {
   550  DRM_DEBUG_KMS("Cannot create framebuffer from imported 
dma_buf\n");
   551  return ERR_PTR(-EINVAL);
   552  }
   553  
   554  height = ALIGN(mode_cmd->height, 8);
   555  if (obj->size < pitch * height) {
 > 556  DRM_DEBUG_KMS("Invalid GEM size: expecting >= %d but 
 > got %ld\n",
   557pitch * height, obj->size);
   558  return ERR_PTR(-EINVAL);
   559  }
   560  
   561  amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
   562  if (amdgpu_fb == NULL) {
   563  drm_gem_object_put_unlocked(obj);
   564  return ERR_PTR(-ENOMEM);
   565  }
   566  
   567  ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, 
obj);
   568  if (ret) {
   569  kfree(amdgpu_fb);
   570  drm_gem_object_put_unlocked(obj);
   571  return ERR_PTR(ret);
   572  }
   573  
   574  return _fb->base;
   575  }
   576  

---
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Re: [PATCH v2 2/2] drm/amd: validate user GEM object size

[kbuild test robot]

Hi Yu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.20-rc7 next-20181221]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Yu-Zhao/drm-amd-validate-user-pitch-alignment/20181222-153630
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/drm/drm_mm.h:49:0,
from include/drm/drmP.h:73,
from drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:26:
   drivers/gpu/drm/amd/amdgpu/amdgpu_display.c: In function 
'amdgpu_display_user_framebuffer_create':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:556:17: warning: format '%ld' 
>> expects argument of type 'long int', but argument 4 has type 'size_t {aka 
>> unsigned int}' [-Wformat=]
  DRM_DEBUG_KMS("Invalid GEM size: expecting >= %d but got %ld\n",
^
 pitch * height, obj->size);
 ~~
   include/drm/drm_print.h:362:22: note: in definition of macro 'DRM_DEBUG_KMS'
 drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__)
 ^~~

vim +556 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

   521  
   522  struct drm_framebuffer *
   523  amdgpu_display_user_framebuffer_create(struct drm_device *dev,
   524 struct drm_file *file_priv,
   525 const struct drm_mode_fb_cmd2 
*mode_cmd)
   526  {
   527  struct drm_gem_object *obj;
   528  struct amdgpu_framebuffer *amdgpu_fb;
   529  int ret;
   530  int height;
   531  struct amdgpu_device *adev = dev->dev_private;
   532  int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
   533  int pitch = amdgpu_align_pitch(adev, mode_cmd->pitches[0], cpp, 
false);
   534  
   535  if (mode_cmd->pitches[0] != pitch) {
   536  DRM_DEBUG_KMS("Invalid pitch: expecting %d but got 
%d\n",
   537pitch, mode_cmd->pitches[0]);
   538  return ERR_PTR(-EINVAL);
   539  }
   540  
   541  obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
   542  if (obj ==  NULL) {
   543  dev_err(>pdev->dev, "No GEM object associated to 
handle 0x%08X, "
   544  "can't create framebuffer\n", 
mode_cmd->handles[0]);
   545  return ERR_PTR(-ENOENT);
   546  }
   547  
   548  /* Handle is imported dma-buf, so cannot be migrated to VRAM 
for scanout */
   549  if (obj->import_attach) {
   550  DRM_DEBUG_KMS("Cannot create framebuffer from imported 
dma_buf\n");
   551  return ERR_PTR(-EINVAL);
   552  }
   553  
   554  height = ALIGN(mode_cmd->height, 8);
   555  if (obj->size < pitch * height) {
 > 556  DRM_DEBUG_KMS("Invalid GEM size: expecting >= %d but 
 > got %ld\n",
   557pitch * height, obj->size);
   558  return ERR_PTR(-EINVAL);
   559  }
   560  
   561  amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
   562  if (amdgpu_fb == NULL) {
   563  drm_gem_object_put_unlocked(obj);
   564  return ERR_PTR(-ENOMEM);
   565  }
   566  
   567  ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, 
obj);
   568  if (ret) {
   569  kfree(amdgpu_fb);
   570  drm_gem_object_put_unlocked(obj);
   571  return ERR_PTR(ret);
   572  }
   573  
   574  return _fb->base;
   575  }
   576  

---
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Re: [PATCH 3/3] drm/amd: validate user GEM object size

[kbuild test robot]

Hi Yu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.20-rc7 next-20181221]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Yu-Zhao/drm-amd-fix-race-in-page-flip-job/20181222-072937
config: x86_64-randconfig-s5-12221153 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from include/linux/cdev.h:8:0,
from include/drm/drmP.h:36,
from drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:26:
   drivers/gpu/drm/amd/amdgpu/amdgpu_display.c: In function 
'amdgpu_display_user_framebuffer_create':
   drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:556:28: warning: format '%d' 
expects argument of type 'int', but argument 4 has type 'size_t {aka long 
unsigned int}' [-Wformat=]
  dev_err(>pdev->dev, "Invalid GEM size: expecting %d but got %d\n",
   ^
   include/linux/device.h:1370:22: note: in definition of macro 'dev_fmt'
#define dev_fmt(fmt) fmt
 ^~~
>> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:556:3: note: in expansion of 
>> macro 'dev_err'
  dev_err(>pdev->dev, "Invalid GEM size: expecting %d but got %d\n",
  ^~~

vim +/dev_err +556 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

   521  
   522  struct drm_framebuffer *
   523  amdgpu_display_user_framebuffer_create(struct drm_device *dev,
   524 struct drm_file *file_priv,
   525 const struct drm_mode_fb_cmd2 
*mode_cmd)
   526  {
   527  struct drm_gem_object *obj;
   528  struct amdgpu_framebuffer *amdgpu_fb;
   529  int ret;
   530  int height;
   531  struct amdgpu_device *adev = dev->dev_private;
   532  int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
   533  int pitch = amdgpu_align_pitch(adev, mode_cmd->width, cpp, 
false);
   534  
   535  if (mode_cmd->pitches[0] != pitch) {
   536  dev_err(>pdev->dev, "Invalid pitch: expecting %d 
but got %d\n",
   537  pitch, mode_cmd->pitches[0]);
   538  return ERR_PTR(-EINVAL);
   539  }
   540  
   541  obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
   542  if (obj ==  NULL) {
   543  dev_err(>pdev->dev, "No GEM object associated to 
handle 0x%08X, "
   544  "can't create framebuffer\n", 
mode_cmd->handles[0]);
   545  return ERR_PTR(-ENOENT);
   546  }
   547  
   548  /* Handle is imported dma-buf, so cannot be migrated to VRAM 
for scanout */
   549  if (obj->import_attach) {
   550  DRM_DEBUG_KMS("Cannot create framebuffer from imported 
dma_buf\n");
   551  return ERR_PTR(-EINVAL);
   552  }
   553  
   554  height = ALIGN(mode_cmd->height, 8);
   555  if (obj->size < pitch * height) {
 > 556  dev_err(>pdev->dev, "Invalid GEM size: expecting 
 > %d but got %d\n",
   557  pitch * height, obj->size);
   558  return ERR_PTR(-EINVAL);
   559  }
   560  
   561  amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
   562  if (amdgpu_fb == NULL) {
   563  drm_gem_object_put_unlocked(obj);
   564  return ERR_PTR(-ENOMEM);
   565  }
   566  
   567  ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, 
obj);
   568  if (ret) {
   569  kfree(amdgpu_fb);
   570  drm_gem_object_put_unlocked(obj);
   571  return ERR_PTR(ret);
   572  }
   573  
   574  return _fb->base;
   575  }
   576  

---
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Re: [PATCH 3/3] drm/amd: validate user GEM object size

[kbuild test robot]

Hi Yu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.20-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Yu-Zhao/drm-amd-fix-race-in-page-flip-job/20181222-072937
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 8.1.0
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=8.1.0 make.cross ARCH=ia64 

All warnings (new ones prefixed by >>):

   In file included from include/linux/cdev.h:8,
from include/drm/drmP.h:36,
from drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:26:
   drivers/gpu/drm/amd/amdgpu/amdgpu_display.c: In function 
'amdgpu_display_user_framebuffer_create':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:556:28: warning: format '%d' 
>> expects argument of type 'int', but argument 4 has type 'size_t' {aka 'long 
>> unsigned int'} [-Wformat=]
  dev_err(>pdev->dev, "Invalid GEM size: expecting %d but got %d\n",
   ^
   include/linux/device.h:1370:22: note: in definition of macro 'dev_fmt'
#define dev_fmt(fmt) fmt
 ^~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:556:3: note: in expansion of 
macro 'dev_err'
  dev_err(>pdev->dev, "Invalid GEM size: expecting %d but got %d\n",
  ^~~

vim +556 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

   521  
   522  struct drm_framebuffer *
   523  amdgpu_display_user_framebuffer_create(struct drm_device *dev,
   524 struct drm_file *file_priv,
   525 const struct drm_mode_fb_cmd2 
*mode_cmd)
   526  {
   527  struct drm_gem_object *obj;
   528  struct amdgpu_framebuffer *amdgpu_fb;
   529  int ret;
   530  int height;
   531  struct amdgpu_device *adev = dev->dev_private;
   532  int cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
   533  int pitch = amdgpu_align_pitch(adev, mode_cmd->width, cpp, 
false);
   534  
   535  if (mode_cmd->pitches[0] != pitch) {
   536  dev_err(>pdev->dev, "Invalid pitch: expecting %d 
but got %d\n",
   537  pitch, mode_cmd->pitches[0]);
   538  return ERR_PTR(-EINVAL);
   539  }
   540  
   541  obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
   542  if (obj ==  NULL) {
   543  dev_err(>pdev->dev, "No GEM object associated to 
handle 0x%08X, "
   544  "can't create framebuffer\n", 
mode_cmd->handles[0]);
   545  return ERR_PTR(-ENOENT);
   546  }
   547  
   548  /* Handle is imported dma-buf, so cannot be migrated to VRAM 
for scanout */
   549  if (obj->import_attach) {
   550  DRM_DEBUG_KMS("Cannot create framebuffer from imported 
dma_buf\n");
   551  return ERR_PTR(-EINVAL);
   552  }
   553  
   554  height = ALIGN(mode_cmd->height, 8);
   555  if (obj->size < pitch * height) {
 > 556  dev_err(>pdev->dev, "Invalid GEM size: expecting 
 > %d but got %d\n",
   557  pitch * height, obj->size);
   558  return ERR_PTR(-EINVAL);
   559  }
   560  
   561  amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL);
   562  if (amdgpu_fb == NULL) {
   563  drm_gem_object_put_unlocked(obj);
   564  return ERR_PTR(-ENOMEM);
   565  }
   566  
   567  ret = amdgpu_display_framebuffer_init(dev, amdgpu_fb, mode_cmd, 
obj);
   568  if (ret) {
   569  kfree(amdgpu_fb);
   570  drm_gem_object_put_unlocked(obj);
   571  return ERR_PTR(ret);
   572  }
   573  
   574  return _fb->base;
   575  }
   576  

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Re: [PATCH 2/2] gpu/radeon: use HMM mirror for userptr buffer object.

[kbuild test robot]

Hi Jérôme,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc3 next-20180910]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/jglisse-redhat-com/Getting-rid-of-GUP-and-use-HMM-for-user-ptr-features/20180911-020741
config: x86_64-randconfig-x000-201836 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/radeon/radeon_mn.c:43:20: error: field 'mirror' has 
incomplete type
 struct hmm_mirror mirror;
   ^~
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_destroy':
   drivers/gpu/drm/radeon/radeon_mn.c:90:2: error: implicit declaration of 
function 'hmm_mirror_unregister'; did you mean 'drm_dp_aux_unregister'? 
[-Werror=implicit-function-declaration]
 hmm_mirror_unregister(>mirror);
 ^
 drm_dp_aux_unregister
   In file included from include/linux/firmware.h:6:0,
from drivers/gpu/drm/radeon/radeon_mn.c:31:
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mirror_release':
   include/linux/kernel.h:997:32: error: dereferencing pointer to incomplete 
type 'struct hmm_mirror'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~
   include/linux/compiler.h:335:18: note: in definition of macro 
'__compiletime_assert'
  int __cond = !(condition);\
 ^
   include/linux/compiler.h:358:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   include/linux/kernel.h:997:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
 ^~~~
   include/linux/kernel.h:997:20: note: in expansion of macro '__same_type'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~~
   drivers/gpu/drm/radeon/radeon_mn.c:103:26: note: in expansion of macro 
'container_of'
 struct radeon_mn *rmn = container_of(mirror, struct radeon_mn, mirror);
 ^~~~
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
   drivers/gpu/drm/radeon/radeon_mn.c:119:24: warning: 'struct hmm_update' 
declared inside parameter list will not be visible outside of this definition 
or declaration
  const struct hmm_update *update)
   ^~
   drivers/gpu/drm/radeon/radeon_mn.c: In function 
'radeon_sync_cpu_device_pagetables':
   drivers/gpu/drm/radeon/radeon_mn.c:128:14: error: dereferencing pointer to 
incomplete type 'const struct hmm_update'
 end = update->end - 1;
 ^~
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
   drivers/gpu/drm/radeon/radeon_mn.c:183:21: error: variable 
'radeon_mirror_ops' has initializer but incomplete type
static const struct hmm_mirror_ops radeon_mirror_ops = {
^~
   drivers/gpu/drm/radeon/radeon_mn.c:184:3: error: 'const struct 
hmm_mirror_ops' has no member named 'sync_cpu_device_pagetables'
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
  ^~
   drivers/gpu/drm/radeon/radeon_mn.c:184:32: warning: excess elements in 
struct initializer
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
   ^
   drivers/gpu/drm/radeon/radeon_mn.c:184:32: note: (near initialization for 
'radeon_mirror_ops')
   drivers/gpu/drm/radeon/radeon_mn.c:185:3: error: 'const struct 
hmm_mirror_ops' has no member named 'release'
 .release = _mirror_release,
  ^~~
   drivers/gpu/drm/radeon/radeon_mn.c:185:13: warning: excess elements in 
struct initializer
 .release = _mirror_release,
^
   drivers/gpu/drm/radeon/radeon_mn.c:185:13: note: (near initialization for 
'radeon_mirror_ops')
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_get':
   drivers/gpu/drm/radeon/radeon_mn.c:224:6: error: implicit declaration of 
function 'hmm_mirror_register'; did you mean 'drm_dp_aux_register'? 
[-Werror=implicit-function-declaration]
 r = hmm_mirror_register(>mirror, mm);
 ^~~
 drm_dp_aux_register
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_bo_map':
>> drivers/gpu/drm/radeon/radeon_mn.c:373:43: error: 'HMM_PFN_FLAG_MAX' 
>> undeclared (first use in this function); did you mean 'TTM_PL_FLAG_TT'?
 

Re: [PATCH 1/2] gpu/radeon: use HMM mirror instead of mmu_notifier

[kbuild test robot]

Hi Jérôme,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc3 next-20180910]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/jglisse-redhat-com/Getting-rid-of-GUP-and-use-HMM-for-user-ptr-features/20180911-020741
config: i386-randconfig-s0-09101230 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu//drm/radeon/radeon_mn.c:43:20: error: field 'mirror' has 
incomplete type
 struct hmm_mirror mirror;
   ^~
   drivers/gpu//drm/radeon/radeon_mn.c: In function 'radeon_mn_destroy':
>> drivers/gpu//drm/radeon/radeon_mn.c:90:2: error: implicit declaration of 
>> function 'hmm_mirror_unregister' [-Werror=implicit-function-declaration]
 hmm_mirror_unregister(>mirror);
 ^
   In file included from include/linux/firmware.h:6:0,
from drivers/gpu//drm/radeon/radeon_mn.c:31:
   drivers/gpu//drm/radeon/radeon_mn.c: In function 'radeon_mirror_release':
   include/linux/kernel.h:997:32: error: dereferencing pointer to incomplete 
type 'struct hmm_mirror'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~
   include/linux/compiler.h:335:18: note: in definition of macro 
'__compiletime_assert'
  int __cond = !(condition);\
 ^
   include/linux/compiler.h:358:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   include/linux/kernel.h:997:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
 ^~~~
   include/linux/kernel.h:997:20: note: in expansion of macro '__same_type'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~~
   drivers/gpu//drm/radeon/radeon_mn.c:103:26: note: in expansion of macro 
'container_of'
 struct radeon_mn *rmn = container_of(mirror, struct radeon_mn, mirror);
 ^~~~
   drivers/gpu//drm/radeon/radeon_mn.c: At top level:
   drivers/gpu//drm/radeon/radeon_mn.c:119:24: warning: 'struct hmm_update' 
declared inside parameter list will not be visible outside of this definition 
or declaration
  const struct hmm_update *update)
   ^~
   drivers/gpu//drm/radeon/radeon_mn.c: In function 
'radeon_sync_cpu_device_pagetables':
   drivers/gpu//drm/radeon/radeon_mn.c:128:14: error: dereferencing pointer to 
incomplete type 'const struct hmm_update'
 end = update->end - 1;
 ^~
   drivers/gpu//drm/radeon/radeon_mn.c: At top level:
   drivers/gpu//drm/radeon/radeon_mn.c:183:21: error: variable 
'radeon_mirror_ops' has initializer but incomplete type
static const struct hmm_mirror_ops radeon_mirror_ops = {
^~
>> drivers/gpu//drm/radeon/radeon_mn.c:184:2: error: unknown field 
>> 'sync_cpu_device_pagetables' specified in initializer
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
 ^
   drivers/gpu//drm/radeon/radeon_mn.c:184:32: warning: excess elements in 
struct initializer
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
   ^
   drivers/gpu//drm/radeon/radeon_mn.c:184:32: note: (near initialization for 
'radeon_mirror_ops')
>> drivers/gpu//drm/radeon/radeon_mn.c:185:2: error: unknown field 'release' 
>> specified in initializer
 .release = _mirror_release,
 ^
   drivers/gpu//drm/radeon/radeon_mn.c:185:13: warning: excess elements in 
struct initializer
 .release = _mirror_release,
^
   drivers/gpu//drm/radeon/radeon_mn.c:185:13: note: (near initialization for 
'radeon_mirror_ops')
   drivers/gpu//drm/radeon/radeon_mn.c: In function 'radeon_mn_get':
>> drivers/gpu//drm/radeon/radeon_mn.c:224:6: error: implicit declaration of 
>> function 'hmm_mirror_register' [-Werror=implicit-function-declaration]
 r = hmm_mirror_register(>mirror, mm);
 ^~~
   drivers/gpu//drm/radeon/radeon_mn.c: At top level:
   drivers/gpu//drm/radeon/radeon_mn.c:183:36: error: storage size of 
'radeon_mirror_ops' isn't known
static const struct hmm_mirror_ops radeon_mirror_ops = {
   ^
   cc1: some warnings being treated as errors

vim +/hmm_mirror_unregister +90 

Re: [PATCH 2/2] gpu/radeon: use HMM mirror for userptr buffer object.

[kbuild test robot]

Hi Jérôme,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc3 next-20180910]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/jglisse-redhat-com/Getting-rid-of-GUP-and-use-HMM-for-user-ptr-features/20180911-020741
config: x86_64-randconfig-x017-201836 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/radeon/radeon_mn.c:43:20: error: field 'mirror' has 
incomplete type
 struct hmm_mirror mirror;
   ^~
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_destroy':
   drivers/gpu/drm/radeon/radeon_mn.c:90:2: error: implicit declaration of 
function 'hmm_mirror_unregister'; did you mean 'drm_dp_aux_unregister'? 
[-Werror=implicit-function-declaration]
 hmm_mirror_unregister(>mirror);
 ^
 drm_dp_aux_unregister
   In file included from include/linux/firmware.h:6:0,
from drivers/gpu/drm/radeon/radeon_mn.c:31:
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mirror_release':
   include/linux/kernel.h:997:32: error: dereferencing pointer to incomplete 
type 'struct hmm_mirror'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~
   include/linux/compiler.h:335:18: note: in definition of macro 
'__compiletime_assert'
  int __cond = !(condition);\
 ^
   include/linux/compiler.h:358:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   include/linux/kernel.h:997:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
 ^~~~
   include/linux/kernel.h:997:20: note: in expansion of macro '__same_type'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~~
   drivers/gpu/drm/radeon/radeon_mn.c:103:26: note: in expansion of macro 
'container_of'
 struct radeon_mn *rmn = container_of(mirror, struct radeon_mn, mirror);
 ^~~~
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
   drivers/gpu/drm/radeon/radeon_mn.c:119:24: warning: 'struct hmm_update' 
declared inside parameter list will not be visible outside of this definition 
or declaration
  const struct hmm_update *update)
   ^~
   drivers/gpu/drm/radeon/radeon_mn.c: In function 
'radeon_sync_cpu_device_pagetables':
   drivers/gpu/drm/radeon/radeon_mn.c:128:14: error: dereferencing pointer to 
incomplete type 'const struct hmm_update'
 end = update->end - 1;
 ^~
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
   drivers/gpu/drm/radeon/radeon_mn.c:183:21: error: variable 
'radeon_mirror_ops' has initializer but incomplete type
static const struct hmm_mirror_ops radeon_mirror_ops = {
^~
   drivers/gpu/drm/radeon/radeon_mn.c:184:3: error: 'const struct 
hmm_mirror_ops' has no member named 'sync_cpu_device_pagetables'
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
  ^~
   drivers/gpu/drm/radeon/radeon_mn.c:184:32: warning: excess elements in 
struct initializer
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
   ^
   drivers/gpu/drm/radeon/radeon_mn.c:184:32: note: (near initialization for 
'radeon_mirror_ops')
   drivers/gpu/drm/radeon/radeon_mn.c:185:3: error: 'const struct 
hmm_mirror_ops' has no member named 'release'
 .release = _mirror_release,
  ^~~
   drivers/gpu/drm/radeon/radeon_mn.c:185:13: warning: excess elements in 
struct initializer
 .release = _mirror_release,
^
   drivers/gpu/drm/radeon/radeon_mn.c:185:13: note: (near initialization for 
'radeon_mirror_ops')
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_get':
   drivers/gpu/drm/radeon/radeon_mn.c:224:6: error: implicit declaration of 
function 'hmm_mirror_register'; did you mean 'drm_dp_aux_register'? 
[-Werror=implicit-function-declaration]
 r = hmm_mirror_register(>mirror, mm);
 ^~~
 drm_dp_aux_register
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_bo_map':
>> drivers/gpu/drm/radeon/radeon_mn.c:373:43: error: 'HMM_PFN_FLAG_MAX' 
>> undeclared (first use in this function); did you mean 'TTM_PL_FLAG_VRAM'?
 

Re: [PATCH 1/2] gpu/radeon: use HMM mirror instead of mmu_notifier

[kbuild test robot]

Hi Jérôme,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc3 next-20180910]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/jglisse-redhat-com/Getting-rid-of-GUP-and-use-HMM-for-user-ptr-features/20180911-020741
config: x86_64-randconfig-x017-201836 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/radeon/radeon_mn.c:43:20: error: field 'mirror' has 
>> incomplete type
 struct hmm_mirror mirror;
   ^~
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_destroy':
>> drivers/gpu/drm/radeon/radeon_mn.c:90:2: error: implicit declaration of 
>> function 'hmm_mirror_unregister'; did you mean 'drm_dp_aux_unregister'? 
>> [-Werror=implicit-function-declaration]
 hmm_mirror_unregister(>mirror);
 ^
 drm_dp_aux_unregister
   In file included from include/linux/firmware.h:6:0,
from drivers/gpu/drm/radeon/radeon_mn.c:31:
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mirror_release':
>> include/linux/kernel.h:997:32: error: dereferencing pointer to incomplete 
>> type 'struct hmm_mirror'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~
   include/linux/compiler.h:335:18: note: in definition of macro 
'__compiletime_assert'
  int __cond = !(condition);\
 ^
   include/linux/compiler.h:358:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   include/linux/kernel.h:997:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
 ^~~~
   include/linux/kernel.h:997:20: note: in expansion of macro '__same_type'
 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
   ^~~
>> drivers/gpu/drm/radeon/radeon_mn.c:103:26: note: in expansion of macro 
>> 'container_of'
 struct radeon_mn *rmn = container_of(mirror, struct radeon_mn, mirror);
 ^~~~
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
>> drivers/gpu/drm/radeon/radeon_mn.c:119:24: warning: 'struct hmm_update' 
>> declared inside parameter list will not be visible outside of this 
>> definition or declaration
  const struct hmm_update *update)
   ^~
   drivers/gpu/drm/radeon/radeon_mn.c: In function 
'radeon_sync_cpu_device_pagetables':
>> drivers/gpu/drm/radeon/radeon_mn.c:128:14: error: dereferencing pointer to 
>> incomplete type 'const struct hmm_update'
 end = update->end - 1;
 ^~
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
>> drivers/gpu/drm/radeon/radeon_mn.c:183:21: error: variable 
>> 'radeon_mirror_ops' has initializer but incomplete type
static const struct hmm_mirror_ops radeon_mirror_ops = {
^~
>> drivers/gpu/drm/radeon/radeon_mn.c:184:3: error: 'const struct 
>> hmm_mirror_ops' has no member named 'sync_cpu_device_pagetables'
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
  ^~
>> drivers/gpu/drm/radeon/radeon_mn.c:184:32: warning: excess elements in 
>> struct initializer
 .sync_cpu_device_pagetables = _sync_cpu_device_pagetables,
   ^
   drivers/gpu/drm/radeon/radeon_mn.c:184:32: note: (near initialization for 
'radeon_mirror_ops')
>> drivers/gpu/drm/radeon/radeon_mn.c:185:3: error: 'const struct 
>> hmm_mirror_ops' has no member named 'release'
 .release = _mirror_release,
  ^~~
   drivers/gpu/drm/radeon/radeon_mn.c:185:13: warning: excess elements in 
struct initializer
 .release = _mirror_release,
^
   drivers/gpu/drm/radeon/radeon_mn.c:185:13: note: (near initialization for 
'radeon_mirror_ops')
   drivers/gpu/drm/radeon/radeon_mn.c: In function 'radeon_mn_get':
>> drivers/gpu/drm/radeon/radeon_mn.c:224:6: error: implicit declaration of 
>> function 'hmm_mirror_register'; did you mean 'drm_dp_aux_register'? 
>> [-Werror=implicit-function-declaration]
 r = hmm_mirror_register(>mirror, mm);
 ^~~
 drm_dp_aux_register
   drivers/gpu/drm/radeon/radeon_mn.c: At top level:
>> drivers/gpu/drm/radeon/radeon_mn.c:183:36: error: storage size of 
>> 'radeon_mirror_ops' isn't known
static const 

Re: [PATCH v3 04/13] fbdev: add remove_conflicting_pci_framebuffers()

[kbuild test robot]

Hi Michał,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.19-rc2 next-20180831]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Micha-Miros-aw/remove_conflicting_framebuffers-cleanup/20180903-094322
reproduce: make htmldocs
:: branch date: 5 hours ago
:: commit date: 5 hours ago

All warnings (new ones prefixed by >>):

   WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick 
(https://www.imagemagick.org)
   include/linux/srcu.h:175: warning: Function parameter or member 'p' not 
described in 'srcu_dereference_notrace'
   include/linux/srcu.h:175: warning: Function parameter or member 'sp' not 
described in 'srcu_dereference_notrace'
   include/linux/gfp.h:1: warning: no structured comments found
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.ibss' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.connect' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.keys' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 'wext.ie' 
not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.ie_len' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.bssid' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.ssid' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.default_key' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.default_mgmt_key' not described in 'wireless_dev'
   include/net/cfg80211.h:4381: warning: Function parameter or member 
'wext.prev_bssid_valid' not described in 'wireless_dev'
   include/net/mac80211.h:2328: warning: Function parameter or member 
'radiotap_timestamp.units_pos' not described in 'ieee80211_hw'
   include/net/mac80211.h:2328: warning: Function parameter or member 
'radiotap_timestamp.accuracy' not described in 'ieee80211_hw'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.use_rts' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.use_cts_prot' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.short_preamble' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.skip_table' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.jiffies' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.vif' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.hw_key' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.flags' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'control.enqueue_time' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 'ack' not 
described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'ack.cookie' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.ack_signal' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.ampdu_ack_len' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.ampdu_len' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.antenna' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.tx_time' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.is_valid_ack_signal' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.status_driver_data' not described 

Re: [Intel-gfx] [PATCH 2/4] drm/dp_mst: Pass entire connector to drm_dp_mst_topology_mgr_init()

[kbuild test robot]

Hi Lyude,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.19-rc1 next-20180828]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Lyude-Paul/drm-dp_mst-Add-DP-MST-debugfs-nodes-for-all-drivers/20180828-083742
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   include/net/mac80211.h:977: warning: Function parameter or member 
'ack.cookie' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.ack_signal' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.ampdu_ack_len' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.ampdu_len' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.antenna' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.tx_time' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.is_valid_ack_signal' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'status.status_driver_data' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'driver_rates' not described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 'pad' not 
described in 'ieee80211_tx_info'
   include/net/mac80211.h:977: warning: Function parameter or member 
'rate_driver_data' not described in 'ieee80211_tx_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'rx_stats_avg' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'rx_stats_avg.signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'rx_stats_avg.chain_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.filtered' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.retry_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.retry_count' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.lost_packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_tdls_pkt_time' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.msdu_retries' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.msdu_failed' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_ack' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.last_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.ack_signal_filled' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'status_stats.avg_ack_signal' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.packets' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.bytes' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.last_rate' not described in 'sta_info'
   net/mac80211/sta_info.h:588: warning: Function parameter or member 
'tx_stats.msdu' not described in 'sta_info'
   include/linux/mod_devicetable.h:763: warning: Function parameter or member 
'driver_data' not described in 'typec_device_id'
   kernel/sched/fair.c:3371: warning: Function parameter or member 'flags' not 
described in 'attach_entity_load_avg'
   arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'i' 
description in 'arch_atomic_sub_and_test'
   arch/x86/include/asm/atomic.h:84: warning: Excess function parameter 'v' 
description in 'arch_atomic_sub_and_test'
   arch/x86/include/asm/atomic.h:96: warning: Excess function parameter 'v' 
description in 'arch_atomic_inc'
   arch/x86/include/asm/atomic.h:109: warning: Excess function parameter 'v' 
description in 'arch_atomic_dec'
   arch/x86/include/asm/atomic.h:124: warning: Excess function parameter 'v' 
description in 

[PATCH] drm/amd/pp: fix semicolon.cocci warnings

[kbuild test robot]

From: kbuild test robot 

drivers/gpu/drm/amd/amdgpu/../powerplay/amd_powerplay.c:1209:17-18: Unneeded 
semicolon


 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: ea870e44415a ("drm/amd/pp: Export notify_smu_enable_pwe to display")
CC: Rex Zhu 
Signed-off-by: kbuild test robot 
---

 amd_powerplay.c |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/../powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/amdgpu/../powerplay/amd_powerplay.c
@@ -1206,7 +1206,7 @@ static int pp_notify_smu_enable_pwe(void
struct pp_hwmgr *hwmgr = handle;
 
if (!hwmgr || !hwmgr->pm_en)
-   return -EINVAL;;
+   return -EINVAL;
 
if (hwmgr->hwmgr_func->smus_notify_pwe == NULL) {
pr_info("%s was not implemented.\n", __func__);
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Re: [PATCH 1/3] drm/connector: Add generic underscan properties

[kbuild test robot]

Hi Boris,

I love your patch! Yet something to improve:

[auto build test ERROR on anholt/for-next]
[also build test ERROR on v4.17-rc4 next-20180507]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Boris-Brezillon/drm-connector-Provide-generic-support-for-underscan/20180508-022336
base:   https://github.com/anholt/linux for-next
config: x86_64-randconfig-x010-201818 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   drivers/gpu//drm/drm_connector.c: In function 
'drm_connector_attach_underscan_properties':
>> drivers/gpu//drm/drm_connector.c:1188:50: warning: passing argument 3 of 
>> 'drm_property_add_enum' makes integer from pointer without a cast 
>> [-Wint-conversion]
  ret = drm_property_add_enum(prop, entry->type, entry->name);
 ^
   In file included from include/drm/drm_crtc.h:42:0,
from include/drm/drmP.h:69,
from drivers/gpu//drm/drm_connector.c:23:
   include/drm/drm_property.h:263:5: note: expected 'uint64_t {aka long long 
unsigned int}' but argument is of type 'const char * const'
int drm_property_add_enum(struct drm_property *property, int index,
^
>> drivers/gpu//drm/drm_connector.c:1188:9: error: too few arguments to 
>> function 'drm_property_add_enum'
  ret = drm_property_add_enum(prop, entry->type, entry->name);
^
   In file included from include/drm/drm_crtc.h:42:0,
from include/drm/drmP.h:69,
from drivers/gpu//drm/drm_connector.c:23:
   include/drm/drm_property.h:263:5: note: declared here
int drm_property_add_enum(struct drm_property *property, int index,
^

vim +/drm_property_add_enum +1188 drivers/gpu//drm/drm_connector.c

  1141  
  1142  /**
  1143   * drm_connector_attach_underscan_properties - attach atomic underscan
  1144   * properties
  1145   * @connector: connector to attach underscan mode properties on.
  1146   * @mode_mask: bitmask of %DRM_UNDERSCAN_XX modes encoding the supported
  1147   * underscan modes.
  1148   * @max_hborder: maximum size of the horizontal border expressed in 
pixels.
  1149   *   Should be > 0.
  1150   * @max_vborder: maximum size of the vertical border expressed in 
pixels.
  1151   *   Should be > 0.
  1152   *
  1153   * This is used to add support for underscan to atomic drivers.
  1154   * The underscan config will be set to _connector_state.underscan
  1155   * and can be used from _connector_helper_funcs->atomic_check for
  1156   * validation.
  1157   *
  1158   * Returns:
  1159   * Zero on success, negative errno on failure.
  1160   */
  1161  int drm_connector_attach_underscan_properties(struct drm_connector 
*connector,
  1162u32 mode_mask, u64 
max_hborder,
  1163u64 max_vborder)
  1164  {
  1165  unsigned int i, nmodes = 
ARRAY_SIZE(drm_underscan_mode_enum_list);
  1166  struct drm_device *dev = connector->dev;
  1167  struct drm_property *prop;
  1168  
  1169  if (!max_hborder || !max_vborder)
  1170  return -EINVAL;
  1171  
  1172  if (!hweight32(mode_mask) || (mode_mask & ~GENMASK(nmodes - 1, 
0)))
  1173  return -EINVAL;
  1174  
  1175  prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, "underscan",
  1176 hweight32(mode_mask));
  1177  if (!prop)
  1178  return -ENOMEM;
  1179  
  1180  for (i = 0; i < ARRAY_SIZE(drm_underscan_mode_enum_list); i++) {
  1181  const struct drm_prop_enum_list *entry;
  1182  int ret;
  1183  
  1184  if (!(BIT(i) & mode_mask))
  1185  continue;
  1186  
  1187  entry = _underscan_mode_enum_list[i];
> 1188  ret = drm_property_add_enum(prop, entry->type, 
> entry->name);
  1189  if (ret)
  1190  goto err_free_mode_prop;
  1191  }
  1192  
  1193  connector->underscan_mode_property = prop;
  1194  
  1195  prop = drm_property_create_range(dev, 0, "underscan hborder", 0,
  1196   max_hborder);
  1197  if (!prop)
  1198  goto err_free_mode_prop;
  1199  
  1200  connector->underscan_hborder_property = prop;
  1201  
  1202  prop = drm_property_create_range(dev, 0, "underscan vborder", 0,
  1203   

Re: [PATCH 1/5] dma-buf: use parameter structure for dma_buf_attach

[kbuild test robot]

Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.17-rc2 next-20180424]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/dma-buf-use-parameter-structure-for-dma_buf_attach/20180413-080639
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: openrisc-allyesconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=openrisc 

All errors (new ones prefixed by >>):

   drivers/staging//media/tegra-vde/tegra-vde.c: In function 
'tegra_vde_attach_dmabuf':
>> drivers/staging//media/tegra-vde/tegra-vde.c:534:13: error: 'dmabuf' 
>> undeclared (first use in this function)
  .dmabuf = dmabuf
^~
   drivers/staging//media/tegra-vde/tegra-vde.c:534:13: note: each undeclared 
identifier is reported only once for each function it appears in

vim +/dmabuf +534 drivers/staging//media/tegra-vde/tegra-vde.c

   521  
   522  static int tegra_vde_attach_dmabuf(struct device *dev,
   523 int fd,
   524 unsigned long offset,
   525 unsigned int min_size,
   526 struct dma_buf_attachment **a,
   527 dma_addr_t *addr,
   528 struct sg_table **s,
   529 size_t *size,
   530 enum dma_data_direction dma_dir)
   531  {
   532  struct dma_buf_attach_info attach_info = {
   533  .dev = dev,
 > 534  .dmabuf = dmabuf
   535  };
   536  struct dma_buf_attachment *attachment;
   537  struct dma_buf *dmabuf;
   538  struct sg_table *sgt;
   539  int err;
   540  
   541  dmabuf = dma_buf_get(fd);
   542  if (IS_ERR(dmabuf)) {
   543  dev_err(dev, "Invalid dmabuf FD\n");
   544  return PTR_ERR(dmabuf);
   545  }
   546  
   547  if ((u64)offset + min_size > dmabuf->size) {
   548  dev_err(dev, "Too small dmabuf size %zu @0x%lX, "
   549   "should be at least %d\n",
   550  dmabuf->size, offset, min_size);
   551  return -EINVAL;
   552  }
   553  
   554  attachment = dma_buf_attach(_info);
   555  if (IS_ERR(attachment)) {
   556  dev_err(dev, "Failed to attach dmabuf\n");
   557  err = PTR_ERR(attachment);
   558  goto err_put;
   559  }
   560  
   561  sgt = dma_buf_map_attachment(attachment, dma_dir);
   562  if (IS_ERR(sgt)) {
   563  dev_err(dev, "Failed to get dmabufs sg_table\n");
   564  err = PTR_ERR(sgt);
   565  goto err_detach;
   566  }
   567  
   568  if (sgt->nents != 1) {
   569  dev_err(dev, "Sparse DMA region is unsupported\n");
   570  err = -EINVAL;
   571  goto err_unmap;
   572  }
   573  
   574  *addr = sg_dma_address(sgt->sgl) + offset;
   575  *a = attachment;
   576  *s = sgt;
   577  
   578  if (size)
   579  *size = dmabuf->size - offset;
   580  
   581  return 0;
   582  
   583  err_unmap:
   584  dma_buf_unmap_attachment(attachment, sgt, dma_dir);
   585  err_detach:
   586  dma_buf_detach(dmabuf, attachment);
   587  err_put:
   588  dma_buf_put(dmabuf);
   589  
   590  return err;
   591  }
   592  

---
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Re: [PATCH 1/5] dma-buf: use parameter structure for dma_buf_attach

[kbuild test robot]

Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.17-rc2 next-20180424]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/dma-buf-use-parameter-structure-for-dma_buf_attach/20180413-080639
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: powerpc64-allmodconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc64 

All errors (new ones prefixed by >>):

   drivers/staging/media/tegra-vde/tegra-vde.c: In function 
'tegra_vde_attach_dmabuf':
>> drivers/staging/media/tegra-vde/tegra-vde.c:534:13: error: 'dmabuf' 
>> undeclared (first use in this function); did you mean 'dma_buf'?
  .dmabuf = dmabuf
^~
dma_buf
   drivers/staging/media/tegra-vde/tegra-vde.c:534:13: note: each undeclared 
identifier is reported only once for each function it appears in

vim +534 drivers/staging/media/tegra-vde/tegra-vde.c

   521  
   522  static int tegra_vde_attach_dmabuf(struct device *dev,
   523 int fd,
   524 unsigned long offset,
   525 unsigned int min_size,
   526 struct dma_buf_attachment **a,
   527 dma_addr_t *addr,
   528 struct sg_table **s,
   529 size_t *size,
   530 enum dma_data_direction dma_dir)
   531  {
   532  struct dma_buf_attach_info attach_info = {
   533  .dev = dev,
 > 534  .dmabuf = dmabuf
   535  };
   536  struct dma_buf_attachment *attachment;
   537  struct dma_buf *dmabuf;
   538  struct sg_table *sgt;
   539  int err;
   540  
   541  dmabuf = dma_buf_get(fd);
   542  if (IS_ERR(dmabuf)) {
   543  dev_err(dev, "Invalid dmabuf FD\n");
   544  return PTR_ERR(dmabuf);
   545  }
   546  
   547  if ((u64)offset + min_size > dmabuf->size) {
   548  dev_err(dev, "Too small dmabuf size %zu @0x%lX, "
   549   "should be at least %d\n",
   550  dmabuf->size, offset, min_size);
   551  return -EINVAL;
   552  }
   553  
   554  attachment = dma_buf_attach(_info);
   555  if (IS_ERR(attachment)) {
   556  dev_err(dev, "Failed to attach dmabuf\n");
   557  err = PTR_ERR(attachment);
   558  goto err_put;
   559  }
   560  
   561  sgt = dma_buf_map_attachment(attachment, dma_dir);
   562  if (IS_ERR(sgt)) {
   563  dev_err(dev, "Failed to get dmabufs sg_table\n");
   564  err = PTR_ERR(sgt);
   565  goto err_detach;
   566  }
   567  
   568  if (sgt->nents != 1) {
   569  dev_err(dev, "Sparse DMA region is unsupported\n");
   570  err = -EINVAL;
   571  goto err_unmap;
   572  }
   573  
   574  *addr = sg_dma_address(sgt->sgl) + offset;
   575  *a = attachment;
   576  *s = sgt;
   577  
   578  if (size)
   579  *size = dmabuf->size - offset;
   580  
   581  return 0;
   582  
   583  err_unmap:
   584  dma_buf_unmap_attachment(attachment, sgt, dma_dir);
   585  err_detach:
   586  dma_buf_detach(dmabuf, attachment);
   587  err_put:
   588  dma_buf_put(dmabuf);
   589  
   590  return err;
   591  }
   592  

---
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Re: [PATCH] dma-buf: use parameter structure for dma_buf_attach

[kbuild test robot]

Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.16-rc7 next-20180327]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/dma-buf-use-parameter-structure-for-dma_buf_attach/20180326-044631
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: openrisc-allmodconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=openrisc 

All errors (new ones prefixed by >>):

   drivers/staging/media/tegra-vde/tegra-vde.c: In function 
'tegra_vde_attach_dmabuf':
>> drivers/staging/media/tegra-vde/tegra-vde.c:534:13: error: 'dmabuf' 
>> undeclared (first use in this function)
  .dmabuf = dmabuf
^~
   drivers/staging/media/tegra-vde/tegra-vde.c:534:13: note: each undeclared 
identifier is reported only once for each function it appears in

vim +/dmabuf +534 drivers/staging/media/tegra-vde/tegra-vde.c

   521  
   522  static int tegra_vde_attach_dmabuf(struct device *dev,
   523 int fd,
   524 unsigned long offset,
   525 unsigned int min_size,
   526 struct dma_buf_attachment **a,
   527 dma_addr_t *addr,
   528 struct sg_table **s,
   529 size_t *size,
   530 enum dma_data_direction dma_dir)
   531  {
   532  struct dma_buf_attach_info attach_info = {
   533  .dev = dev,
 > 534  .dmabuf = dmabuf
   535  };
   536  struct dma_buf_attachment *attachment;
   537  struct dma_buf *dmabuf;
   538  struct sg_table *sgt;
   539  int err;
   540  
   541  dmabuf = dma_buf_get(fd);
   542  if (IS_ERR(dmabuf)) {
   543  dev_err(dev, "Invalid dmabuf FD\n");
   544  return PTR_ERR(dmabuf);
   545  }
   546  
   547  if ((u64)offset + min_size > dmabuf->size) {
   548  dev_err(dev, "Too small dmabuf size %zu @0x%lX, "
   549   "should be at least %d\n",
   550  dmabuf->size, offset, min_size);
   551  return -EINVAL;
   552  }
   553  
   554  attachment = dma_buf_attach(_info);
   555  if (IS_ERR(attachment)) {
   556  dev_err(dev, "Failed to attach dmabuf\n");
   557  err = PTR_ERR(attachment);
   558  goto err_put;
   559  }
   560  
   561  sgt = dma_buf_map_attachment(attachment, dma_dir);
   562  if (IS_ERR(sgt)) {
   563  dev_err(dev, "Failed to get dmabufs sg_table\n");
   564  err = PTR_ERR(sgt);
   565  goto err_detach;
   566  }
   567  
   568  if (sgt->nents != 1) {
   569  dev_err(dev, "Sparse DMA region is unsupported\n");
   570  err = -EINVAL;
   571  goto err_unmap;
   572  }
   573  
   574  *addr = sg_dma_address(sgt->sgl) + offset;
   575  *a = attachment;
   576  *s = sgt;
   577  
   578  if (size)
   579  *size = dmabuf->size - offset;
   580  
   581  return 0;
   582  
   583  err_unmap:
   584  dma_buf_unmap_attachment(attachment, sgt, dma_dir);
   585  err_detach:
   586  dma_buf_detach(dmabuf, attachment);
   587  err_put:
   588  dma_buf_put(dmabuf);
   589  
   590  return err;
   591  }
   592  

---
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Re: [PATCH] dma-buf: use parameter structure for dma_buf_attach

[kbuild test robot]

Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.16-rc6 next-20180323]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/dma-buf-use-parameter-structure-for-dma_buf_attach/20180326-044631
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.2.0
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   drivers/staging/media/tegra-vde/tegra-vde.c: In function 
'tegra_vde_attach_dmabuf':
>> drivers/staging/media/tegra-vde/tegra-vde.c:534:13: error: 'dmabuf' 
>> undeclared (first use in this function); did you mean 'dma_buf'?
  .dmabuf = dmabuf
^~
dma_buf
   drivers/staging/media/tegra-vde/tegra-vde.c:534:13: note: each undeclared 
identifier is reported only once for each function it appears in

vim +534 drivers/staging/media/tegra-vde/tegra-vde.c

   521  
   522  static int tegra_vde_attach_dmabuf(struct device *dev,
   523 int fd,
   524 unsigned long offset,
   525 unsigned int min_size,
   526 struct dma_buf_attachment **a,
   527 dma_addr_t *addr,
   528 struct sg_table **s,
   529 size_t *size,
   530 enum dma_data_direction dma_dir)
   531  {
   532  struct dma_buf_attach_info attach_info = {
   533  .dev = dev,
 > 534  .dmabuf = dmabuf
   535  };
   536  struct dma_buf_attachment *attachment;
   537  struct dma_buf *dmabuf;
   538  struct sg_table *sgt;
   539  int err;
   540  
   541  dmabuf = dma_buf_get(fd);
   542  if (IS_ERR(dmabuf)) {
   543  dev_err(dev, "Invalid dmabuf FD\n");
   544  return PTR_ERR(dmabuf);
   545  }
   546  
   547  if ((u64)offset + min_size > dmabuf->size) {
   548  dev_err(dev, "Too small dmabuf size %zu @0x%lX, "
   549   "should be at least %d\n",
   550  dmabuf->size, offset, min_size);
   551  return -EINVAL;
   552  }
   553  
   554  attachment = dma_buf_attach(_info);
   555  if (IS_ERR(attachment)) {
   556  dev_err(dev, "Failed to attach dmabuf\n");
   557  err = PTR_ERR(attachment);
   558  goto err_put;
   559  }
   560  
   561  sgt = dma_buf_map_attachment(attachment, dma_dir);
   562  if (IS_ERR(sgt)) {
   563  dev_err(dev, "Failed to get dmabufs sg_table\n");
   564  err = PTR_ERR(sgt);
   565  goto err_detach;
   566  }
   567  
   568  if (sgt->nents != 1) {
   569  dev_err(dev, "Sparse DMA region is unsupported\n");
   570  err = -EINVAL;
   571  goto err_unmap;
   572  }
   573  
   574  *addr = sg_dma_address(sgt->sgl) + offset;
   575  *a = attachment;
   576  *s = sgt;
   577  
   578  if (size)
   579  *size = dmabuf->size - offset;
   580  
   581  return 0;
   582  
   583  err_unmap:
   584  dma_buf_unmap_attachment(attachment, sgt, dma_dir);
   585  err_detach:
   586  dma_buf_detach(dmabuf, attachment);
   587  err_put:
   588  dma_buf_put(dmabuf);
   589  
   590  return err;
   591  }
   592  

---
0-DAY kernel test infrastructureOpen Source Technology Center
https://lists.01.org/pipermail/kbuild-all   Intel Corporation


.config.gz
Description: application/gzip
___
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
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Re: [PATCH] locking/ww_mutex: add ww_mutex_is_owned_by function v4

[kbuild test robot]

Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc2 next-20180220]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/locking-ww_mutex-add-ww_mutex_is_owned_by-function-v4/20180221-021317
config: microblaze-mmu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 7.2.0
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=microblaze 

All error/warnings (new ones prefixed by >>):

   In file included from kernel/locking/mutex.c:21:0:
   include/linux/ww_mutex.h: In function 'ww_mutex_is_owned_by':
   include/linux/ww_mutex.h:380:0: error: unterminated argument list invoking 
macro "likely"
#endif

   include/linux/ww_mutex.h:377:3: error: 'likely' undeclared (first use in 
this function)
  likely(READ_ONCE(lock->ctx) == NULL;
  ^~
   include/linux/ww_mutex.h:377:3: note: each undeclared identifier is reported 
only once for each function it appears in
   In file included from include/linux/thread_info.h:13:0,
from include/asm-generic/preempt.h:5,
from ./arch/microblaze/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/rcupdate.h:40,
from include/linux/rculist.h:11,
from include/linux/sched/signal.h:5,
from kernel/locking/mutex.c:22:
   include/linux/restart_block.h:11:1: error: expected ';' before 'struct'
struct timespec;
^~
   include/linux/restart_block.h:12:1: warning: ISO C90 forbids mixed 
declarations and code [-Wdeclaration-after-statement]
struct compat_timespec;
^~
   In file included from include/linux/thread_info.h:38:0,
from include/asm-generic/preempt.h:5,
from ./arch/microblaze/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/rcupdate.h:40,
from include/linux/rculist.h:11,
from include/linux/sched/signal.h:5,
from kernel/locking/mutex.c:22:
>> arch/microblaze/include/asm/thread_info.h:90:35: error: invalid storage 
>> class for function 'current_thread_info'
static inline struct thread_info *current_thread_info(void)
  ^~~
   In file included from include/asm-generic/preempt.h:5:0,
from ./arch/microblaze/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:81,
from include/linux/rcupdate.h:40,
from include/linux/rculist.h:11,
from include/linux/sched/signal.h:5,
from kernel/locking/mutex.c:22:
   include/linux/thread_info.h:57:20: error: invalid storage class for function 
'set_ti_thread_flag'
static inline void set_ti_thread_flag(struct thread_info *ti, int flag)
   ^~
   include/linux/thread_info.h:62:20: error: invalid storage class for function 
'clear_ti_thread_flag'
static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)
   ^~~~
   include/linux/thread_info.h:67:19: error: invalid storage class for function 
'test_and_set_ti_thread_flag'
static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int 
flag)
  ^~~
   include/linux/thread_info.h:72:19: error: invalid storage class for function 
'test_and_clear_ti_thread_flag'
static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int 
flag)
  ^
   include/linux/thread_info.h:77:19: error: invalid storage class for function 
'test_ti_thread_flag'
static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
  ^~~
   include/linux/thread_info.h:96:19: error: invalid storage class for function 
'arch_within_stack_frames'
static inline int arch_within_stack_frames(const void * const stack,
  ^~~~
   include/linux/thread_info.h:115:20: error: invalid storage class for 
function 'check_object_size'
static inline void check_object_size(const void *ptr, unsigned long n,
   ^
   include/linux/thread_info.h:125:20: error: invalid storage class for 
function 'copy_overflow'
static inline void copy_overflow(int size, unsigned long count)
   ^
   include/linux/thread_info.h:131:1: error: invalid 

Re: [PATCH] locking/ww_mutex: add ww_mutex_is_owned_by function v4

[kbuild test robot]

Hi Christian,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc2 next-20180220]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/locking-ww_mutex-add-ww_mutex_is_owned_by-function-v4/20180221-021317
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   In file included from kernel/locking/mutex.c:21:0:
   include/linux/ww_mutex.h: In function 'ww_mutex_is_owned_by':
>> include/linux/ww_mutex.h:380:0: error: unterminated argument list invoking 
>> macro "likely"
#endif

>> include/linux/ww_mutex.h:377:3: error: 'likely' undeclared (first use in 
>> this function)
  likely(READ_ONCE(lock->ctx) == NULL;
  ^~
   include/linux/ww_mutex.h:377:3: note: each undeclared identifier is reported 
only once for each function it appears in
   In file included from include/linux/thread_info.h:13:0,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/rcupdate.h:40,
from include/linux/rculist.h:11,
from include/linux/sched/signal.h:5,
from kernel/locking/mutex.c:22:
>> include/linux/restart_block.h:11:1: error: expected ';' before 'struct'
struct timespec;
^~
>> include/linux/restart_block.h:12:1: warning: ISO C90 forbids mixed 
>> declarations and code [-Wdeclaration-after-statement]
struct compat_timespec;
^~
   In file included from include/linux/thread_info.h:38:0,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/rcupdate.h:40,
from include/linux/rculist.h:11,
from include/linux/sched/signal.h:5,
from kernel/locking/mutex.c:22:
>> arch/x86/include/asm/thread_info.h:170:19: error: invalid storage class for 
>> function 'arch_within_stack_frames'
static inline int arch_within_stack_frames(const void * const stack,
  ^~~~
   In file included from arch/x86/include/asm/preempt.h:7:0,
from include/linux/preempt.h:81,
from include/linux/rcupdate.h:40,
from include/linux/rculist.h:11,
from include/linux/sched/signal.h:5,
from kernel/locking/mutex.c:22:
>> include/linux/thread_info.h:57:20: error: invalid storage class for function 
>> 'set_ti_thread_flag'
static inline void set_ti_thread_flag(struct thread_info *ti, int flag)
   ^~
>> include/linux/thread_info.h:62:20: error: invalid storage class for function 
>> 'clear_ti_thread_flag'
static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)
   ^~~~
>> include/linux/thread_info.h:67:19: error: invalid storage class for function 
>> 'test_and_set_ti_thread_flag'
static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int 
flag)
  ^~~
>> include/linux/thread_info.h:72:19: error: invalid storage class for function 
>> 'test_and_clear_ti_thread_flag'
static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int 
flag)
  ^
>> include/linux/thread_info.h:77:19: error: invalid storage class for function 
>> 'test_ti_thread_flag'
static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
  ^~~
>> include/linux/thread_info.h:115:20: error: invalid storage class for 
>> function 'check_object_size'
static inline void check_object_size(const void *ptr, unsigned long n,
   ^
>> include/linux/thread_info.h:125:20: error: invalid storage class for 
>> function 'copy_overflow'
static inline void copy_overflow(int size, unsigned long count)
   ^
>> include/linux/thread_info.h:131:1: error: invalid storage class for function 
>> 'check_copy_size'
check_copy_size(const void *addr, size_t bytes, bool is_source)
^~~
   In file included from include/asm-generic/percpu.h:7:0,
from arch/x86/include/asm/percpu.h:543,
from arch/x86/include/asm/current.h:6,
from include/linux/mutex.h:14,
from kernel/locking/mutex.c:20:
>> arch/x86/include/asm/preempt.h:9:22: error: section attribute cannot be 
>> specified for local variables
DECLARE_PER_CPU(int, __preempt_count);
 ^
   

Re: [PATCH 1/3] drm/prime: forward begin_cpu_access callback to drivers

[kbuild test robot]

Hi Christian,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on v4.15-rc3 next-20171215]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Samuel-Li/drm-prime-forward-begin_cpu_access-callback-to-drivers/20171216-125056
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: i386-randconfig-a0-201750 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/drm_drv.c:36:0:
>> include/drm/drm_drv.h:494:14: warning: 'enum dma_data_direction' declared 
>> inside parameter list
enum dma_data_direction direction);
 ^
>> include/drm/drm_drv.h:494:14: warning: its scope is only this definition or 
>> declaration, which is probably not what you want

vim +494 include/drm/drm_drv.h

59  
60  /**
61   * struct drm_driver - DRM driver structure
62   *
63   * This structure represent the common code for a family of cards. 
There will
64   * one drm_device for each card present in this family. It contains 
lots of
65   * vfunc entries, and a pile of those probably should be moved to more
66   * appropriate places like _mode_config_funcs or into a new 
operations
67   * structure for GEM drivers.
68   */
69  struct drm_driver {
70  /**
71   * @load:
72   *
73   * Backward-compatible driver callback to complete
74   * initialization steps after the driver is registered.  For
75   * this reason, may suffer from race conditions and its use is
76   * deprecated for new drivers.  It is therefore only supported
77   * for existing drivers not yet converted to the new scheme.
78   * See drm_dev_init() and drm_dev_register() for proper and
79   * race-free way to set up a  drm_device.
80   *
81   * This is deprecated, do not use!
82   *
83   * Returns:
84   *
85   * Zero on success, non-zero value on failure.
86   */
87  int (*load) (struct drm_device *, unsigned long flags);
88  
89  /**
90   * @open:
91   *
92   * Driver callback when a new  drm_file is opened. 
Useful for
93   * setting up driver-private data structures like buffer 
allocators,
94   * execution contexts or similar things. Such driver-private 
resources
95   * must be released again in @postclose.
96   *
97   * Since the display/modeset side of DRM can only be owned by 
exactly
98   * one  drm_file (see _file.is_master and 
_device.master)
99   * there should never be a need to set up any modeset related 
resources
   100   * in this callback. Doing so would be a driver design bug.
   101   *
   102   * Returns:
   103   *
   104   * 0 on success, a negative error code on failure, which will be
   105   * promoted to userspace as the result of the open() system 
call.
   106   */
   107  int (*open) (struct drm_device *, struct drm_file *);
   108  
   109  /**
   110   * @postclose:
   111   *
   112   * One of the driver callbacks when a new  drm_file is 
closed.
   113   * Useful for tearing down driver-private data structures 
allocated in
   114   * @open like buffer allocators, execution contexts or similar 
things.
   115   *
   116   * Since the display/modeset side of DRM can only be owned by 
exactly
   117   * one  drm_file (see _file.is_master and 
_device.master)
   118   * there should never be a need to tear down any modeset related
   119   * resources in this callback. Doing so would be a driver 
design bug.
   120   */
   121  void (*postclose) (struct drm_device *, struct drm_file *);
   122  
   123  /**
   124   * @lastclose:
   125   *
   126   * Called when the last  drm_file has been closed and 
there's
   127   * currently no userspace client for the  drm_device.
   128   *
   129   * Modern drivers should only use this to force-restore the 
fbdev
   130   * framebuffer using 
drm_fb_helper_restore_fbdev_mode_unlocked().
   131   * Anything else would indicate there's something seriously 
wrong.
   132   * Modern drivers can also use this to execute delayed power 
switching
   133   * state changes, e.g. in conjunction with the 
:ref:`vga_switcheroo`
   134   * infrastructure.
   135   *
   

Re: [PATCH 1/3] drm/prime: forward begin_cpu_access callback to drivers

[kbuild test robot]

Hi Christian,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on v4.15-rc3 next-20171215]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Samuel-Li/drm-prime-forward-begin_cpu_access-callback-to-drivers/20171216-125056
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: i386-randconfig-x016-201750 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/drm_drv.c:36:0:
>> include/drm/drm_drv.h:494:14: warning: 'enum dma_data_direction' declared 
>> inside parameter list will not be visible outside of this definition or 
>> declaration
enum dma_data_direction direction);
 ^~

vim +494 include/drm/drm_drv.h

59  
60  /**
61   * struct drm_driver - DRM driver structure
62   *
63   * This structure represent the common code for a family of cards. 
There will
64   * one drm_device for each card present in this family. It contains 
lots of
65   * vfunc entries, and a pile of those probably should be moved to more
66   * appropriate places like _mode_config_funcs or into a new 
operations
67   * structure for GEM drivers.
68   */
69  struct drm_driver {
70  /**
71   * @load:
72   *
73   * Backward-compatible driver callback to complete
74   * initialization steps after the driver is registered.  For
75   * this reason, may suffer from race conditions and its use is
76   * deprecated for new drivers.  It is therefore only supported
77   * for existing drivers not yet converted to the new scheme.
78   * See drm_dev_init() and drm_dev_register() for proper and
79   * race-free way to set up a  drm_device.
80   *
81   * This is deprecated, do not use!
82   *
83   * Returns:
84   *
85   * Zero on success, non-zero value on failure.
86   */
87  int (*load) (struct drm_device *, unsigned long flags);
88  
89  /**
90   * @open:
91   *
92   * Driver callback when a new  drm_file is opened. 
Useful for
93   * setting up driver-private data structures like buffer 
allocators,
94   * execution contexts or similar things. Such driver-private 
resources
95   * must be released again in @postclose.
96   *
97   * Since the display/modeset side of DRM can only be owned by 
exactly
98   * one  drm_file (see _file.is_master and 
_device.master)
99   * there should never be a need to set up any modeset related 
resources
   100   * in this callback. Doing so would be a driver design bug.
   101   *
   102   * Returns:
   103   *
   104   * 0 on success, a negative error code on failure, which will be
   105   * promoted to userspace as the result of the open() system 
call.
   106   */
   107  int (*open) (struct drm_device *, struct drm_file *);
   108  
   109  /**
   110   * @postclose:
   111   *
   112   * One of the driver callbacks when a new  drm_file is 
closed.
   113   * Useful for tearing down driver-private data structures 
allocated in
   114   * @open like buffer allocators, execution contexts or similar 
things.
   115   *
   116   * Since the display/modeset side of DRM can only be owned by 
exactly
   117   * one  drm_file (see _file.is_master and 
_device.master)
   118   * there should never be a need to tear down any modeset related
   119   * resources in this callback. Doing so would be a driver 
design bug.
   120   */
   121  void (*postclose) (struct drm_device *, struct drm_file *);
   122  
   123  /**
   124   * @lastclose:
   125   *
   126   * Called when the last  drm_file has been closed and 
there's
   127   * currently no userspace client for the  drm_device.
   128   *
   129   * Modern drivers should only use this to force-restore the 
fbdev
   130   * framebuffer using 
drm_fb_helper_restore_fbdev_mode_unlocked().
   131   * Anything else would indicate there's something seriously 
wrong.
   132   * Modern drivers can also use this to execute delayed power 
switching
   133   * state changes, e.g. in conjunction with the 
:ref:`vga_switcheroo`
   134   * infrastructure.
   135   *
   136   * This is called after 

Re: [PATCH 1/4] drm/ttm: add page order in page pool

[kbuild test robot]

Hi Roger,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on next-20171122]
[cannot apply to v4.14]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Roger-He/drm-ttm-add-page-order-in-page-pool/20171124-032341
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-randconfig-x007-201747 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from drivers/gpu/drm/ttm/ttm_page_alloc.c:36:
   drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'ttm_page_alloc_init':
>> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_979' 
>> declared with attribute error: BUILD_BUG failed
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^
   include/linux/compiler.h:556:4: note: in definition of macro 
'__compiletime_assert'
   prefix ## suffix();\
   ^~
   include/linux/compiler.h:576:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/build_bug.h:46:37: note: in expansion of macro 
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   include/linux/build_bug.h:80:21: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~
   include/linux/huge_mm.h:248:28: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
   ^
   include/linux/huge_mm.h:78:26: note: in expansion of macro 'HPAGE_PMD_SHIFT'
#define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
 ^~~
>> drivers/gpu/drm/ttm/ttm_page_alloc.c:979:18: note: in expansion of macro 
>> 'HPAGE_PMD_ORDER'
  "wc huge", HPAGE_PMD_ORDER);
 ^~~
   include/linux/compiler.h:576:38: error: call to '__compiletime_assert_983' 
declared with attribute error: BUILD_BUG failed
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^
   include/linux/compiler.h:556:4: note: in definition of macro 
'__compiletime_assert'
   prefix ## suffix();\
   ^~
   include/linux/compiler.h:576:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/build_bug.h:46:37: note: in expansion of macro 
'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   include/linux/build_bug.h:80:21: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~
   include/linux/huge_mm.h:248:28: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
   ^
   include/linux/huge_mm.h:78:26: note: in expansion of macro 'HPAGE_PMD_SHIFT'
#define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
 ^~~
   drivers/gpu/drm/ttm/ttm_page_alloc.c:983:20: note: in expansion of macro 
'HPAGE_PMD_ORDER'
  , "uc huge", HPAGE_PMD_ORDER);
   ^~~
--
   In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from drivers/gpu//drm/ttm/ttm_page_alloc.c:36:
   drivers/gpu//drm/ttm/ttm_page_alloc.c: In function 'ttm_page_alloc_init':
>> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_979' 
>> declared with attribute error: BUILD_BUG failed
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^
   include/linux/compiler.h:556:4: note: in definition of macro 
'__compiletime_assert'
   prefix ## suffix();\
   

Re: [PATCH v4] drm/amd/powerplay: Remove unnecessary cast on void pointer

[kbuild test robot]

Hi Harsha,

[auto build test ERROR on v4.14-rc3]
[cannot apply to drm/drm-next next-20171018]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Harsha-Sharma/drm-amd-powerplay-Remove-unnecessary-cast-on-void-pointer/20171017-011426
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 
'smu7_get_pp_table_entry_callback_func_v1':
>> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:2954:47: error: 
>> initialization from incompatible pointer type 
>> [-Werror=incompatible-pointer-types]
 struct smu7_power_state  *smu7_power_state = &(power_state->hardware);
  ^
   cc1: some warnings being treated as errors

vim +2954 drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c

  2948  
  2949  static int smu7_get_pp_table_entry_callback_func_v1(struct pp_hwmgr 
*hwmgr,
  2950  void *state, struct pp_power_state *power_state,
  2951  void *pp_table, uint32_t classification_flag)
  2952  {
  2953  struct smu7_hwmgr *data = hwmgr->backend;
> 2954  struct smu7_power_state  *smu7_power_state = 
> &(power_state->hardware);
  2955  struct smu7_performance_level *performance_level;
  2956  ATOM_Tonga_State *state_entry = state;
  2957  ATOM_Tonga_POWERPLAYTABLE *powerplay_table = pp_table;
  2958  PPTable_Generic_SubTable_Header *sclk_dep_table =
  2959  (PPTable_Generic_SubTable_Header *)
  2960  (((unsigned long)powerplay_table) +
  2961  
le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
  2962  
  2963  ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
  2964  (ATOM_Tonga_MCLK_Dependency_Table *)
  2965  (((unsigned long)powerplay_table) +
  2966  
le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
  2967  
  2968  /* The following fields are not initialized here: id 
orderedList allStatesList */
  2969  power_state->classification.ui_label =
  2970  (le16_to_cpu(state_entry->usClassification) &
  2971  ATOM_PPLIB_CLASSIFICATION_UI_MASK) >>
  2972  ATOM_PPLIB_CLASSIFICATION_UI_SHIFT;
  2973  power_state->classification.flags = classification_flag;
  2974  /* NOTE: There is a classification2 flag in BIOS that is not 
being used right now */
  2975  
  2976  power_state->classification.temporary_state = false;
  2977  power_state->classification.to_be_deleted = false;
  2978  
  2979  power_state->validation.disallowOnDC =
  2980  (0 != 
(le32_to_cpu(state_entry->ulCapsAndSettings) &
  2981  ATOM_Tonga_DISALLOW_ON_DC));
  2982  
  2983  power_state->pcie.lanes = 0;
  2984  
  2985  power_state->display.disableFrameModulation = false;
  2986  power_state->display.limitRefreshrate = false;
  2987  power_state->display.enableVariBright =
  2988  (0 != 
(le32_to_cpu(state_entry->ulCapsAndSettings) &
  2989  ATOM_Tonga_ENABLE_VARIBRIGHT));
  2990  
  2991  power_state->validation.supportedPowerLevels = 0;
  2992  power_state->uvd_clocks.VCLK = 0;
  2993  power_state->uvd_clocks.DCLK = 0;
  2994  power_state->temperatures.min = 0;
  2995  power_state->temperatures.max = 0;
  2996  
  2997  performance_level = &(smu7_power_state->performance_levels
  2998  [smu7_power_state->performance_level_count++]);
  2999  
  3000  PP_ASSERT_WITH_CODE(
  3001  (smu7_power_state->performance_level_count < 
smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)),
  3002  "Performance levels exceeds SMC limit!",
  3003  return -EINVAL);
  3004  
  3005  PP_ASSERT_WITH_CODE(
  3006  (smu7_power_state->performance_level_count <=
  3007  
hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
  3008  "Performance levels exceeds Driver limit!",
  3009  return -EINVAL);
  3010  
  3011  /* Performance levels are arranged from low to high. */
  3012  performance_level->memory_clock = mclk_dep_table->entries
  3013  [state_entry->ucMemoryClockIndexLow].ulMclk;
  3014  

Re: [PATCH v3] drm/amd/powerplay: Remove unnecessary cast on void pointer

[kbuild test robot]

Hi Harsha,

[auto build test WARNING on v4.14-rc3]
[cannot apply to drm/drm-next next-20171013]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Harsha-Sharma/drm-amd-powerplay-Remove-unnecessary-cast-on-void-pointer/20171017-001535
config: x86_64-randconfig-a0-10170343 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 
'smu7_get_pp_table_entry_callback_func_v1':
>> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:2954: warning: 
>> initialization from incompatible pointer type

vim +2954 drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c

  2948  
  2949  static int smu7_get_pp_table_entry_callback_func_v1(struct pp_hwmgr 
*hwmgr,
  2950  void *state, struct pp_power_state *power_state,
  2951  void *pp_table, uint32_t classification_flag)
  2952  {
  2953  struct smu7_hwmgr *data = hwmgr->backend;
> 2954  struct smu7_power_state  *smu7_power_state = 
> &(power_state->hardware);
  2955  struct smu7_performance_level *performance_level;
  2956  ATOM_Tonga_State *state_entry = state;
  2957  ATOM_Tonga_POWERPLAYTABLE *powerplay_table = pp_table;
  2958  PPTable_Generic_SubTable_Header *sclk_dep_table =
  2959  (PPTable_Generic_SubTable_Header *)
  2960  (((unsigned long)powerplay_table) +
  2961  
le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
  2962  
  2963  ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
  2964  (ATOM_Tonga_MCLK_Dependency_Table *)
  2965  (((unsigned long)powerplay_table) +
  2966  
le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
  2967  
  2968  /* The following fields are not initialized here: id 
orderedList allStatesList */
  2969  power_state->classification.ui_label =
  2970  (le16_to_cpu(state_entry->usClassification) &
  2971  ATOM_PPLIB_CLASSIFICATION_UI_MASK) >>
  2972  ATOM_PPLIB_CLASSIFICATION_UI_SHIFT;
  2973  power_state->classification.flags = classification_flag;
  2974  /* NOTE: There is a classification2 flag in BIOS that is not 
being used right now */
  2975  
  2976  power_state->classification.temporary_state = false;
  2977  power_state->classification.to_be_deleted = false;
  2978  
  2979  power_state->validation.disallowOnDC =
  2980  (0 != 
(le32_to_cpu(state_entry->ulCapsAndSettings) &
  2981  ATOM_Tonga_DISALLOW_ON_DC));
  2982  
  2983  power_state->pcie.lanes = 0;
  2984  
  2985  power_state->display.disableFrameModulation = false;
  2986  power_state->display.limitRefreshrate = false;
  2987  power_state->display.enableVariBright =
  2988  (0 != 
(le32_to_cpu(state_entry->ulCapsAndSettings) &
  2989  ATOM_Tonga_ENABLE_VARIBRIGHT));
  2990  
  2991  power_state->validation.supportedPowerLevels = 0;
  2992  power_state->uvd_clocks.VCLK = 0;
  2993  power_state->uvd_clocks.DCLK = 0;
  2994  power_state->temperatures.min = 0;
  2995  power_state->temperatures.max = 0;
  2996  
  2997  performance_level = &(smu7_power_state->performance_levels
  2998  [smu7_power_state->performance_level_count++]);
  2999  
  3000  PP_ASSERT_WITH_CODE(
  3001  (smu7_power_state->performance_level_count < 
smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)),
  3002  "Performance levels exceeds SMC limit!",
  3003  return -EINVAL);
  3004  
  3005  PP_ASSERT_WITH_CODE(
  3006  (smu7_power_state->performance_level_count <=
  3007  
hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
  3008  "Performance levels exceeds Driver limit!",
  3009  return -EINVAL);
  3010  
  3011  /* Performance levels are arranged from low to high. */
  3012  performance_level->memory_clock = mclk_dep_table->entries
  3013  [state_entry->ucMemoryClockIndexLow].ulMclk;
  3014  if (sclk_dep_table->ucRevId == 0)
  3015  performance_level->engine_clock = 
((ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table)->entries
  3016  

Re: [PATCH v3] drm/amd/powerplay: Remove unnecessary cast on void pointer

[kbuild test robot]

Hi Harsha,

[auto build test ERROR on v4.14-rc3]
[cannot apply to drm/drm-next next-20171013]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Harsha-Sharma/drm-amd-powerplay-Remove-unnecessary-cast-on-void-pointer/20171017-001535
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm 

All error/warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c: In function 
'pp_atomfwctrl_get_voltage_info_table':
>> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c:69:12: warning: 
>> return discards 'const' qualifier from pointer target type 
>> [-Wdiscarded-qualifiers]
return table_address;
   ^
   drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c: In function 
'pp_atomfwctrl_get_gpio_lookup_table':
   drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c:176:9: warning: 
return discards 'const' qualifier from pointer target type 
[-Wdiscarded-qualifiers]
 return table_address;
^
--
   drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 
'smu7_get_pp_table_entry_callback_func_v1':
>> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:2954:47: error: 
>> initialization from incompatible pointer type 
>> [-Werror=incompatible-pointer-types]
 struct smu7_power_state  *smu7_power_state = &(power_state->hardware);
  ^
   cc1: some warnings being treated as errors

vim +2954 drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c

  2948  
  2949  static int smu7_get_pp_table_entry_callback_func_v1(struct pp_hwmgr 
*hwmgr,
  2950  void *state, struct pp_power_state *power_state,
  2951  void *pp_table, uint32_t classification_flag)
  2952  {
  2953  struct smu7_hwmgr *data = hwmgr->backend;
> 2954  struct smu7_power_state  *smu7_power_state = 
> &(power_state->hardware);
  2955  struct smu7_performance_level *performance_level;
  2956  ATOM_Tonga_State *state_entry = state;
  2957  ATOM_Tonga_POWERPLAYTABLE *powerplay_table = pp_table;
  2958  PPTable_Generic_SubTable_Header *sclk_dep_table =
  2959  (PPTable_Generic_SubTable_Header *)
  2960  (((unsigned long)powerplay_table) +
  2961  
le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
  2962  
  2963  ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
  2964  (ATOM_Tonga_MCLK_Dependency_Table *)
  2965  (((unsigned long)powerplay_table) +
  2966  
le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
  2967  
  2968  /* The following fields are not initialized here: id 
orderedList allStatesList */
  2969  power_state->classification.ui_label =
  2970  (le16_to_cpu(state_entry->usClassification) &
  2971  ATOM_PPLIB_CLASSIFICATION_UI_MASK) >>
  2972  ATOM_PPLIB_CLASSIFICATION_UI_SHIFT;
  2973  power_state->classification.flags = classification_flag;
  2974  /* NOTE: There is a classification2 flag in BIOS that is not 
being used right now */
  2975  
  2976  power_state->classification.temporary_state = false;
  2977  power_state->classification.to_be_deleted = false;
  2978  
  2979  power_state->validation.disallowOnDC =
  2980  (0 != 
(le32_to_cpu(state_entry->ulCapsAndSettings) &
  2981  ATOM_Tonga_DISALLOW_ON_DC));
  2982  
  2983  power_state->pcie.lanes = 0;
  2984  
  2985  power_state->display.disableFrameModulation = false;
  2986  power_state->display.limitRefreshrate = false;
  2987  power_state->display.enableVariBright =
  2988  (0 != 
(le32_to_cpu(state_entry->ulCapsAndSettings) &
  2989  ATOM_Tonga_ENABLE_VARIBRIGHT));
  2990  
  2991  power_state->validation.supportedPowerLevels = 0;
  2992  power_state->uvd_clocks.VCLK = 0;
  2993  power_state->uvd_clocks.DCLK = 0;
  2994  power_state->temperatures.min = 0;
  2995  power_state->temperatures.max = 0;
  2996  
  2997  performance_level = &(smu7_power_state->performance_levels
  2998  [smu7_power_state->performance_level_count++]);
  2999  
  3000  PP_ASSERT_WITH_CODE(
  3001   

[PATCH] drm/amd/powerplay: fix semicolon.cocci warnings

[kbuild test robot]

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/vega10_hwmgr.c:2273:61-62: 
Unneeded semicolon


 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: bdb8cd10b99d ("drm/amd/powerplay: enable ACG feature on vega10.")
CC: Rex Zhu 
Signed-off-by: Fengguang Wu 
---

 vega10_hwmgr.c |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/vega10_hwmgr.c
@@ -2270,7 +2270,7 @@ static int vega10_acg_enable(struct pp_h
smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_InitializeAcg);
 
smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_RunAcgBtc);
-   vega10_read_arg_from_smc(hwmgr->smumgr, _btc_response);;
+   vega10_read_arg_from_smc(hwmgr->smumgr, _btc_response);
 
if (1 == agc_btc_response) {
if (1 == data->acg_loop_state)
___
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Re: [PATCH v8 2/6] PCI: add resizeable BAR infrastructure v5

[kbuild test robot]

Hi Christian,

[auto build test WARNING on pci/next]
[also build test WARNING on v4.12 next-20170710]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/PCI-add-a-define-for-the-PCI-resource-type-mask-v2/20170711-104904
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick 
(https://www.imagemagick.org)
   arch/x86/include/asm/uaccess_32.h:1: warning: no structured comments found
   include/linux/init.h:1: warning: no structured comments found
   include/linux/mod_devicetable.h:687: warning: Excess 
struct/union/enum/typedef member 'ver_major' description in 'fsl_mc_device_id'
   include/linux/mod_devicetable.h:687: warning: Excess 
struct/union/enum/typedef member 'ver_minor' description in 'fsl_mc_device_id'
   kernel/sched/core.c:2080: warning: No description found for parameter 'rf'
   kernel/sched/core.c:2080: warning: Excess function parameter 'cookie' 
description in 'try_to_wake_up_local'
   include/linux/wait.h:555: warning: No description found for parameter 'wq'
   include/linux/wait.h:555: warning: Excess function parameter 'wq_head' 
description in 'wait_event_interruptible_hrtimeout'
   include/linux/wait.h:759: warning: No description found for parameter 
'wq_head'
   include/linux/wait.h:759: warning: Excess function parameter 'wq' 
description in 'wait_event_killable'
   include/linux/kthread.h:26: warning: Excess function parameter '...' 
description in 'kthread_create'
   kernel/sys.c:1: warning: no structured comments found
   Error: Cannot open file kernel/rcu/srcu.c
   Error: Cannot open file kernel/rcu/srcu.c
   WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -export 
kernel/rcu/srcu.c' failed with return code 2
   include/linux/device.h:968: warning: No description found for parameter 
'dma_ops'
   drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
   include/linux/iio/iio.h:603: warning: No description found for parameter 
'trig_readonly'
   include/linux/iio/trigger.h:151: warning: No description found for parameter 
'indio_dev'
   include/linux/iio/trigger.h:151: warning: No description found for parameter 
'trig'
   include/linux/device.h:969: warning: No description found for parameter 
'dma_ops'
   drivers/ata/libata-eh.c:1449: warning: No description found for parameter 
'link'
   drivers/ata/libata-eh.c:1449: warning: Excess function parameter 'ap' 
description in 'ata_eh_done'
   drivers/ata/libata-eh.c:1590: warning: No description found for parameter 
'qc'
   drivers/ata/libata-eh.c:1590: warning: Excess function parameter 'dev' 
description in 'ata_eh_request_sense'
>> drivers/pci/pci.c:2970: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:2970: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_find_pos'
   drivers/pci/pci.c:3004: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:3004: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_get_possible_sizes'
   drivers/pci/pci.c:3026: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:3026: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_get_current_size'
   drivers/pci/pci.c:3049: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:3049: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_set_size'
   arch/s390/include/asm/cmb.h:1: warning: no structured comments found
   drivers/scsi/scsi_lib.c:1116: warning: No description found for parameter 
'rq'
   drivers/scsi/constants.c:1: warning: no structured comments found
   include/linux/usb/gadget.h:230: warning: No description found for parameter 
'claimed'
   include/linux/usb/gadget.h:230: warning: No description found for parameter 
'enabled'
   include/linux/usb/gadget.h:412: warning: No description found for parameter 
'quirk_altset_not_supp'
   include/linux/usb/gadget.h:412: warning: No description found for parameter 
'quirk_stall_not_supp'
   include/linux/usb/gadget.h:412: warning: No description found for parameter 
'quirk_zlp_not_supp'
   fs/inode.c:1666: warning: No description found for parameter 'rcu'
   include/linux/jbd2.h:443: warning: No description found for parameter 
'i_transaction'
   include/linux/jbd2.h:443: warning: No description found for parameter 
'i_next_transaction'
   include/linux/jbd2.h:443: warning: No description found for parameter 
'i_list'
   include/linux/jbd2.h:443: warning: No description found for parameter 
'i_vfs_inode'
   include/linux/jbd2.h:443: warning: No description found for parameter 
'i_flags'
   include/linux/jbd2.h:497: warning: No description found for parameter 
'h_rsv_handle'
   include/linux/jbd2.h:497: warning: No description found for 

Re: [PATCH v8 4/6] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 30h-3fh) Processors v4

[kbuild test robot]

Hi Christian,

[auto build test WARNING on pci/next]
[also build test WARNING on next-20170710]
[cannot apply to v4.12]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/PCI-add-a-define-for-the-PCI-resource-type-mask-v2/20170711-104904
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   arch/x86/pci/fixup.c: In function 'pci_amd_enable_64bit_bar':
>> arch/x86/pci/fixup.c:674:15: warning: large integer implicitly truncated to 
>> unsigned type [-Woverflow]
 res->start = 0x1ull;
  ^~
   arch/x86/pci/fixup.c:675:13: warning: large integer implicitly truncated to 
unsigned type [-Woverflow]
 res->end = 0xfdull - 1;
^~~
>> arch/x86/pci/fixup.c:686:22: warning: right shift count >= width of type 
>> [-Wshift-count-overflow]
 high = ((res->start >> 40) & AMD_141b_MMIO_HIGH_MMIOBASE_MASK) |
 ^~
   arch/x86/pci/fixup.c:687:21: warning: right shift count >= width of type 
[-Wshift-count-overflow]
  res->end + 1) >> 40) << AMD_141b_MMIO_HIGH_MMIOLIMIT_SHIFT)
^~

vim +674 arch/x86/pci/fixup.c

   634  
   635  /*
   636   * The PCI Firmware Spec, rev 3.2 notes that ACPI should optionally 
allow
   637   * configuring host bridge windows using the _PRS and _SRS methods.
   638   *
   639   * But this is rarely implemented, so we manually enable a large 64bit 
BAR for
   640   * PCIe device on AMD Family 15h (Models 30h-3fh) Processors here.
   641   */
   642  static void pci_amd_enable_64bit_bar(struct pci_dev *dev)
   643  {
   644  struct resource *res, *conflict;
   645  u32 base, limit, high;
   646  unsigned i;
   647  
   648  for (i = 0; i < 8; ++i) {
   649  pci_read_config_dword(dev, AMD_141b_MMIO_BASE(i), 
);
   650  pci_read_config_dword(dev, AMD_141b_MMIO_HIGH(i), 
);
   651  
   652  /* Is this slot free? */
   653  if (!(base & (AMD_141b_MMIO_BASE_RE_MASK |
   654AMD_141b_MMIO_BASE_WE_MASK)))
   655  break;
   656  
   657  base >>= 8;
   658  base |= high << 24;
   659  
   660  /* Abort if a slot already configures a 64bit BAR. */
   661  if (base > 0x1)
   662  return;
   663  }
   664  if (i == 8)
   665  return;
   666  
   667  res = kzalloc(sizeof(*res), GFP_KERNEL);
   668  if (!res)
   669  return;
   670  
   671  res->name = "PCI Bus :00";
   672  res->flags = IORESOURCE_PREFETCH | IORESOURCE_MEM |
   673  IORESOURCE_MEM_64 | IORESOURCE_WINDOW;
 > 674  res->start = 0x1ull;
   675  res->end = 0xfdull - 1;
   676  
   677  /* Just grab the free area behind system memory for this */
   678  while ((conflict = request_resource_conflict(_resource, 
res)))
   679  res->start = conflict->end + 1;
   680  
   681  dev_info(>dev, "adding root bus resource %pR\n", res);
   682  
   683  base = ((res->start >> 8) & AMD_141b_MMIO_BASE_MMIOBASE_MASK) |
   684  AMD_141b_MMIO_BASE_RE_MASK | AMD_141b_MMIO_BASE_WE_MASK;
   685  limit = ((res->end + 1) >> 8) & 
AMD_141b_MMIO_LIMIT_MMIOLIMIT_MASK;
 > 686  high = ((res->start >> 40) & AMD_141b_MMIO_HIGH_MMIOBASE_MASK) |

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[RFC PATCH linux-next] drm/amdgpu/gfx9: gfx_v9_0_enable_gfx_static_mg_power_gating() can be static

[kbuild test robot]

Signed-off-by: Fengguang Wu 
---
 gfx_v9_0.c |6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index a1e1b7aa..f2ae6f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1992,8 +1992,8 @@ static void 
gfx_v9_0_enable_gfx_pipeline_powergating(struct amdgpu_device *adev,
data = RREG32(SOC15_REG_OFFSET(GC, 0, mmDB_RENDER_CONTROL));
 }
 
-void gfx_v9_0_enable_gfx_static_mg_power_gating(struct amdgpu_device *adev,
-   bool enable)
+static void gfx_v9_0_enable_gfx_static_mg_power_gating(struct amdgpu_device 
*adev,
+  bool enable)
 {
uint32_t data, default_data;
 
@@ -2006,7 +2006,7 @@ void gfx_v9_0_enable_gfx_static_mg_power_gating(struct 
amdgpu_device *adev,
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
 }
 
-void gfx_v9_0_enable_gfx_dynamic_mg_power_gating(struct amdgpu_device *adev,
+static void gfx_v9_0_enable_gfx_dynamic_mg_power_gating(struct amdgpu_device 
*adev,
bool enable)
 {
uint32_t data, default_data;
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[linux-next:master 2278/9292] drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:1995:6: sparse: symbol 'gfx_v9_0_enable_gfx_static_mg_power_gating' was not declared. Should it be static?

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 
master
head:   09c17284731e42dbe4c6d334603e9c05ba1219ae
commit: 18924c719e1d2b194f93ef757584b814421f22a5 [2278/9292] drm/amdgpu/gfx9: 
allow updating gfx mgpg state
reproduce:
# apt-get install sparse
git checkout 18924c719e1d2b194f93ef757584b814421f22a5
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:400:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:402:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:404:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:406:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:408:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:410:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:420:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:422:57: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:427:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:429:53: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:439:36: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:440:41: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:452:17: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:454:17: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:466:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:466:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:466:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:473:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:473:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:473:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:480:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:480:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:480:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:487:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:487:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:487:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:495:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:495:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:495:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:495:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:495:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:495:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:501:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:501:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:501:25: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:510:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:510:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:510:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:510:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:510:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:510:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:515:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:515:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:515:33: sparse: cast to restricted 
__le32
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:581:25: sparse: incorrect type in 
assignment (different base types)
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:581:25:expected unsigned int 
volatile [unsigned] [usertype] 
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:581:25:got restricted __le32 
[usertype] 
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:582:25: sparse: incorrect type in 
assignment (different base types)
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:582:25:expected unsigned int 
volatile [unsigned] [usertype] 
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:582:25:got restricted __le32 
[usertype] 
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:584:25: sparse: incorrect type in 
assignment (different base types)
   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:584:25:expected unsigned int 
volatile [unsigned] [usertype] 
   

Re: [PATCH 1/4] drm/vc4: Allow vblank_disable_immediate on non-fw-kms.

[kbuild test robot]

Hi Mario,

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.12-rc6 next-20170621]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Mario-Kleiner/drm-vc4-Allow-vblank_disable_immediate-on-non-fw-kms/20170622-013723
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu//drm/vc4/vc4_kms.c: In function 'vc4_kms_load':
>> drivers/gpu//drm/vc4/vc4_kms.c:220:10: error: 'struct vc4_dev' has no member 
>> named 'firmware_kms'
 if (!vc4->firmware_kms)
 ^~

vim +220 drivers/gpu//drm/vc4/vc4_kms.c

   214  struct vc4_dev *vc4 = to_vc4_dev(dev);
   215  int ret;
   216  
   217  sema_init(>async_modeset, 1);
   218  
   219  /* Set support for vblank irq fast disable, before 
drm_vblank_init() */
 > 220  if (!vc4->firmware_kms)
   221  dev->vblank_disable_immediate = true;
   222  
   223  ret = drm_vblank_init(dev, dev->mode_config.num_crtc);

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Re: [PATCH 11/11] drm: remove unused and redundant callbacks

[kbuild test robot]

Hi Peter,

[auto build test ERROR on drm/drm-next]
[also build test ERROR on next-20170621]
[cannot apply to v4.12-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Peter-Rosin/improve-the-fb_setcmap-helper/20170621-205441
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget 
https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm 

All errors (new ones prefixed by >>):

>> drivers/gpu//drm/armada/armada_fbdev.c:121:2: error: unknown field 
>> 'gamma_set' specified in initializer
 .gamma_set = armada_drm_crtc_gamma_set,
 ^
>> drivers/gpu//drm/armada/armada_fbdev.c:121:15: error: initialization from 
>> incompatible pointer type [-Werror=incompatible-pointer-types]
 .gamma_set = armada_drm_crtc_gamma_set,
  ^
   drivers/gpu//drm/armada/armada_fbdev.c:121:15: note: (near initialization 
for 'armada_fb_helper_funcs.fb_probe')
>> drivers/gpu//drm/armada/armada_fbdev.c:122:2: error: unknown field 
>> 'gamma_get' specified in initializer
 .gamma_get = armada_drm_crtc_gamma_get,
 ^
   drivers/gpu//drm/armada/armada_fbdev.c:122:15: error: initialization from 
incompatible pointer type [-Werror=incompatible-pointer-types]
 .gamma_get = armada_drm_crtc_gamma_get,
  ^
   drivers/gpu//drm/armada/armada_fbdev.c:122:15: note: (near initialization 
for 'armada_fb_helper_funcs.initial_config')
   cc1: some warnings being treated as errors

vim +/gamma_set +121 drivers/gpu//drm/armada/armada_fbdev.c

96f60e37 Russell King   2012-08-15  115 ret = 1;
96f60e37 Russell King   2012-08-15  116 }
96f60e37 Russell King   2012-08-15  117 return ret;
96f60e37 Russell King   2012-08-15  118  }
96f60e37 Russell King   2012-08-15  119  
3a493879 Thierry Reding 2014-06-27  120  static const struct 
drm_fb_helper_funcs armada_fb_helper_funcs = {
96f60e37 Russell King   2012-08-15 @121 .gamma_set  = 
armada_drm_crtc_gamma_set,
96f60e37 Russell King   2012-08-15 @122 .gamma_get  = 
armada_drm_crtc_gamma_get,
96f60e37 Russell King   2012-08-15  123 .fb_probe   = 
armada_fb_probe,
96f60e37 Russell King   2012-08-15  124  };
96f60e37 Russell King   2012-08-15  125  

:: The code at line 121 was first introduced by commit
:: 96f60e37dc66091bde8d5de136ff6fda09f2d799 DRM: Armada: Add Armada DRM 
driver

:: TO: Russell King 
:: CC: Russell King 

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Re: [PATCH 1/4] PCI: add resizeable BAR infrastructure v3

[kbuild test robot]

Hi Christian,

[auto build test WARNING on pci/next]
[also build test WARNING on v4.11-rc2 next-20170310]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/PCI-add-resizeable-BAR-infrastructure-v3/20170314-163334
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   lib/crc32.c:148: warning: No description found for parameter 'tab)[256]'
   lib/crc32.c:148: warning: Excess function parameter 'tab' description in 
'crc32_le_generic'
   lib/crc32.c:293: warning: No description found for parameter 'tab)[256]'
   lib/crc32.c:293: warning: Excess function parameter 'tab' description in 
'crc32_be_generic'
   lib/crc32.c:1: warning: no structured comments found
>> drivers/pci/pci.c:2951: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:2951: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_get_possible_sizes'
   drivers/pci/pci.c:2989: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:2989: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_get_current_size'
   drivers/pci/pci.c:3027: warning: No description found for parameter 'pdev'
>> drivers/pci/pci.c:3027: warning: Excess function parameter 'dev' description 
>> in 'pci_rbar_set_size'

vim +/pdev +2951 drivers/pci/pci.c

  2945   * @bar: BAR to query
  2946   *
  2947   * Get the possible sizes of a resizeable BAR as bitmask defined in the 
spec
  2948   * (bit 0=1MB, bit 19=512GB). Returns 0 if BAR isn't resizeable.
  2949   */
  2950  u32 pci_rbar_get_possible_sizes(struct pci_dev *pdev, int bar)
> 2951  {
  2952  unsigned pos, nbars;
  2953  u32 ctrl, cap;
  2954  unsigned i;
  2955  
  2956  pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_REBAR);
  2957  if (!pos)
  2958  return 0;
  2959  
  2960  pci_read_config_dword(pdev, pos + PCI_REBAR_CTRL, );
  2961  nbars = (ctrl & PCI_REBAR_CTRL_NBAR_MASK) >> 
PCI_REBAR_CTRL_NBAR_SHIFT;
  2962  
  2963  for (i = 0; i < nbars; ++i, pos += 8) {
  2964  int bar_idx;
  2965  
  2966  pci_read_config_dword(pdev, pos + PCI_REBAR_CTRL, 
);
  2967  bar_idx = (ctrl & PCI_REBAR_CTRL_BAR_IDX_MASK) >>
  2968  PCI_REBAR_CTRL_BAR_IDX_SHIFT;
  2969  if (bar_idx != bar)
  2970  continue;
  2971  
  2972  pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, );
  2973  return (cap & PCI_REBAR_CTRL_SIZES_MASK) >>
  2974  PCI_REBAR_CTRL_SIZES_SHIFT;
  2975  }
  2976  
  2977  return 0;
  2978  }
  2979  
  2980  /**
  2981   * pci_rbar_get_current_size - get the current size of a BAR
  2982   * @dev: PCI device
  2983   * @bar: BAR to set size to
  2984   *
  2985   * Read the size of a BAR from the resizeable BAR config.
  2986   * Returns size if found or negativ error code.
  2987   */
  2988  int pci_rbar_get_current_size(struct pci_dev *pdev, int bar)
> 2989  {
  2990  unsigned pos, nbars;
  2991  u32 ctrl;
  2992  unsigned i;
  2993  
  2994  pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_REBAR);
  2995  if (!pos)
  2996  return -ENOTSUPP;
  2997  
  2998  pci_read_config_dword(pdev, pos + PCI_REBAR_CTRL, );
  2999  nbars = (ctrl & PCI_REBAR_CTRL_NBAR_MASK) >> 
PCI_REBAR_CTRL_NBAR_SHIFT;
  3000  
  3001  for (i = 0; i < nbars; ++i, pos += 8) {
  3002  int bar_idx;
  3003  
  3004  pci_read_config_dword(pdev, pos + PCI_REBAR_CTRL, 
);
  3005  bar_idx = (ctrl & PCI_REBAR_CTRL_BAR_IDX_MASK) >>
  3006  PCI_REBAR_CTRL_BAR_IDX_SHIFT;
  3007  if (bar_idx != bar)
  3008  continue;
  3009  
  3010  return (ctrl & PCI_REBAR_CTRL_BAR_SIZE_MASK) >>
  3011  PCI_REBAR_CTRL_BAR_SIZE_SHIFT;
  3012  }
  3013  
  3014  return -ENOENT;
  3015  }
  3016  
  3017  /**
  3018   * pci_rbar_set_size - set a new size for a BAR
  3019   * @dev: PCI device
  3020   * @bar: BAR to set size to
  3021   * @size: new size as defined in the spec (log2(size in bytes) - 20)
  3022   *
  3023   * Set the new size of a BAR as defined in the spec (0=1MB, 19=512GB).
  3024   * Returns true if resizing was successful, false otherwise.
  3025   */
  3026  int pci_rbar_set_size(struct pci_dev *pdev, int bar, int size)
> 3027  {
  3028  unsigned pos, nbars;
  3029  u32 ctrl;
  3030  unsigned i;

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Re: [PATCH 3/4] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 30h-3fh) Processors

[kbuild test robot]

Hi Christian,

[auto build test WARNING on pci/next]
[also build test WARNING on v4.11-rc2 next-20170310]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/PCI-add-resizeable-BAR-infrastructure-v3/20170314-163334
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-randconfig-s0-201711 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   arch/x86/pci/fixup.c: In function 'pci_amd_enable_64bit_bar':
>> arch/x86/pci/fixup.c:608:52: warning: large integer implicitly truncated to 
>> unsigned type [-Woverflow]
 r = allocate_resource(_resource, res, size, 0x1,
   ^~~
   arch/x86/pci/fixup.c:609:10: warning: large integer implicitly truncated to 
unsigned type [-Woverflow]
 0xfd, size, NULL, NULL);
 ^~~~
>> arch/x86/pci/fixup.c:617:22: warning: right shift count >= width of type 
>> [-Wshift-count-overflow]
 high = ((res->start >> 40) & 0xff) |
 ^~
   arch/x86/pci/fixup.c:618:21: warning: right shift count >= width of type 
[-Wshift-count-overflow]
  res->end + 1) >> 40) & 0xff) << 16);
^~

vim +608 arch/x86/pci/fixup.c

   602  return;
   603  
   604  res = kzalloc(sizeof(*res), GFP_KERNEL);
   605  res->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH | 
IORESOURCE_MEM_64 |
   606  IORESOURCE_WINDOW;
   607  res->name = dev->bus->name;
 > 608  r = allocate_resource(_resource, res, size, 0x1,
   6090xfd, size, NULL, NULL);
   610  if (r) {
   611  kfree(res);
   612  return;
   613  }
   614  
   615  base = ((res->start >> 8) & 0xff00) | 0x3;
   616  limit = ((res->end + 1) >> 8) & 0xff00;
 > 617  high = ((res->start >> 40) & 0xff) |
   618  res->end + 1) >> 40) & 0xff) << 16);
   619  
   620  pci_write_config_dword(dev, 0x180 + i * 0x4, high);

---
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.config.gz
Description: application/gzip
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Re: [PATCH 2/4] PCI: add functionality for resizing resources v2

[kbuild test robot]

Hi Christian,

[auto build test WARNING on pci/next]
[also build test WARNING on v4.11-rc2 next-20170310]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:
https://github.com/0day-ci/linux/commits/Christian-K-nig/PCI-add-resizeable-BAR-infrastructure-v3/20170314-163334
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-randconfig-x077-201711 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/pci/setup-res.c: In function 'pci_resize_resource':
>> drivers/pci/setup-res.c:422:2: warning: ignoring return value of 
>> 'pci_reenable_device', declared with attribute warn_unused_result 
>> [-Wunused-result]
 pci_reenable_device(dev->bus->self);
 ^~~
   drivers/pci/setup-res.c:432:2: warning: ignoring return value of 
'pci_reenable_device', declared with attribute warn_unused_result 
[-Wunused-result]
 pci_reenable_device(dev->bus->self);
 ^~~

vim +/pci_reenable_device +422 drivers/pci/setup-res.c

   406  res->end = resource_size(res) - 1;
   407  res->start = 0;
   408  if (resno < PCI_BRIDGE_RESOURCES)
   409  pci_update_resource(dev, resno);
   410  }
   411  
   412  ret = pci_rbar_set_size(dev, resno, size);
   413  if (ret)
   414  goto error_reassign;
   415  
   416  res->end = res->start + bytes - 1;
   417  
   418  ret = pci_reassign_bridge_resources(dev->bus->self, res->flags);
   419  if (ret)
   420  goto error_resize;
   421  
 > 422  pci_reenable_device(dev->bus->self);
   423  return 0;
   424  
   425  error_resize:
   426  pci_rbar_set_size(dev, resno, old);
   427  res->end = res->start + (1ULL << (old + 20)) - 1;
   428  
   429  error_reassign:
   430  pci_assign_unassigned_bus_resources(dev->bus);

---
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