tree:   
https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   7b5cf701ea9c395c792e2a7e3b7caf4c68b87721
commit: 156bdac99061b4013c8e47799c6e574f7f84e9f4 drm/exynos: trigger build of 
all modules
date:   4 weeks ago
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty
        git checkout 156bdac99061b4013c8e47799c6e574f7f84e9f4
        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 <[email protected]>


sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:244:26: sparse: sparse: incorrect 
>> type in argument 1 (different address spaces) @@    expected void const 
>> *addr @@    got void [noderevoid const *addr @@
>> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:244:26: sparse:    expected void 
>> const *addr
>> drivers/gpu/drm/exynos/exynos_drm_fbdev.c:244:26: sparse:    got void 
>> [noderef] <asn:2> *kvaddr
--
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:458:39: sparse: sparse: incorrect 
>> type in initializer (different address spaces) @@    expected void 
>> *timing_base @@    got void [noderef] <asvoid *timing_base @@
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:458:39: sparse:    expected void 
>> *timing_base
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:458:39: sparse:    got void 
>> [noderef] <asn:2> *
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:470:41: sparse: sparse: incorrect 
>> type in argument 2 (different address spaces) @@    expected void volatile 
>> [noderef] <asn:2> *addr @@    got n:2> *addr @@
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:470:41: sparse:    expected void 
>> volatile [noderef] <asn:2> *addr
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:470:41: sparse:    got void *
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:473:39: sparse: sparse: incorrect 
type in argument 2 (different address spaces) @@    expected void volatile 
[noderef] <asn:2> *addr @@    got n:2> *addr @@
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:473:39: sparse:    expected void 
volatile [noderef] <asn:2> *addr
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:473:39: sparse:    got void *
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:519:53: sparse: sparse: incorrect 
type in argument 2 (different address spaces) @@    expected void volatile 
[noderef] <asn:2> *addr @@    got n:2> *addr @@
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:519:53: sparse:    expected void 
volatile [noderef] <asn:2> *addr
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:519:53: sparse:    got void *
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:945:39: sparse: sparse: incorrect 
type in initializer (different address spaces) @@    expected void *timing_base 
@@    got void [noderef] <asvoid *timing_base @@
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:945:39: sparse:    expected void 
*timing_base
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:945:39: sparse:    got void 
[noderef] <asn:2> *
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:958:33: sparse: sparse: incorrect 
>> type in argument 1 (different address spaces) @@    expected void const 
>> volatile [noderef] <asn:2> *addr @@    got n:2> *addr @@
>> drivers/gpu/drm/exynos/exynos_drm_fimd.c:958:33: sparse:    expected void 
>> const volatile [noderef] <asn:2> *addr
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:958:33: sparse:    got void *
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:960:33: sparse: sparse: incorrect 
type in argument 2 (different address spaces) @@    expected void volatile 
[noderef] <asn:2> *addr @@    got n:2> *addr @@
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:960:33: sparse:    expected void 
volatile [noderef] <asn:2> *addr
   drivers/gpu/drm/exynos/exynos_drm_fimd.c:960:33: sparse:    got void *
--
>> drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c:527:5: sparse: sparse: 
>> symbol 'analogix_dp_start_aux_transaction' was not declared. Should it be 
>> static?
>> drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c:571:5: sparse: sparse: 
>> symbol 'analogix_dp_write_byte_to_dpcd' was not declared. Should it be 
>> static?

vim +244 drivers/gpu/drm/exynos/exynos_drm_fbdev.c

1c248b7d2960fae Inki Dae       2011-10-04  236  
1c248b7d2960fae Inki Dae       2011-10-04  237  static void 
exynos_drm_fbdev_destroy(struct drm_device *dev,
1c248b7d2960fae Inki Dae       2011-10-04  238                                  
      struct drm_fb_helper *fb_helper)
1c248b7d2960fae Inki Dae       2011-10-04  239  {
4744ad2414bd890 Inki Dae       2012-12-07  240          struct exynos_drm_fbdev 
*exynos_fbd = to_exynos_fbdev(fb_helper);
813fd67b57ffca0 Joonyoung Shim 2015-10-02  241          struct exynos_drm_gem 
*exynos_gem = exynos_fbd->exynos_gem;
1c248b7d2960fae Inki Dae       2011-10-04  242          struct drm_framebuffer 
*fb;
1c248b7d2960fae Inki Dae       2011-10-04  243  
813fd67b57ffca0 Joonyoung Shim 2015-10-02 @244          
vunmap(exynos_gem->kvaddr);
4744ad2414bd890 Inki Dae       2012-12-07  245  
1c248b7d2960fae Inki Dae       2011-10-04  246          /* release drm 
framebuffer and real buffer */
1c248b7d2960fae Inki Dae       2011-10-04  247          if (fb_helper->fb && 
fb_helper->fb->funcs) {
1c248b7d2960fae Inki Dae       2011-10-04  248                  fb = 
fb_helper->fb;
328c057ca4def70 Daniel Vetter  2016-12-27  249                  if (fb)
f7eff60ea0e4e35 Rob Clark      2012-09-05  250                          
drm_framebuffer_remove(fb);
1c248b7d2960fae Inki Dae       2011-10-04  251          }
1c248b7d2960fae Inki Dae       2011-10-04  252  
7c7d4507fb04bbe Archit Taneja  2015-07-22  253          
drm_fb_helper_unregister_fbi(fb_helper);
1c248b7d2960fae Inki Dae       2011-10-04  254  
1c248b7d2960fae Inki Dae       2011-10-04  255          
drm_fb_helper_fini(fb_helper);
1c248b7d2960fae Inki Dae       2011-10-04  256  }
1c248b7d2960fae Inki Dae       2011-10-04  257  
1c248b7d2960fae Inki Dae       2011-10-04  258  void 
exynos_drm_fbdev_fini(struct drm_device *dev)
1c248b7d2960fae Inki Dae       2011-10-04  259  {
1c248b7d2960fae Inki Dae       2011-10-04  260          struct 
exynos_drm_private *private = dev->dev_private;
1c248b7d2960fae Inki Dae       2011-10-04  261          struct exynos_drm_fbdev 
*fbdev;
1c248b7d2960fae Inki Dae       2011-10-04  262  
1c248b7d2960fae Inki Dae       2011-10-04  263          if (!private || 
!private->fb_helper)
1c248b7d2960fae Inki Dae       2011-10-04  264                  return;
1c248b7d2960fae Inki Dae       2011-10-04  265  
1c248b7d2960fae Inki Dae       2011-10-04  266          fbdev = 
to_exynos_fbdev(private->fb_helper);
1c248b7d2960fae Inki Dae       2011-10-04  267  
1c248b7d2960fae Inki Dae       2011-10-04  268          
exynos_drm_fbdev_destroy(dev, private->fb_helper);
1c248b7d2960fae Inki Dae       2011-10-04  269          kfree(fbdev);
1c248b7d2960fae Inki Dae       2011-10-04  270          private->fb_helper = 
NULL;
1c248b7d2960fae Inki Dae       2011-10-04  271  }
1c248b7d2960fae Inki Dae       2011-10-04  272  

:::::: The code at line 244 was first introduced by commit
:::::: 813fd67b57ffca0dd19fe1834f894a4558cf5e0b drm/exynos: cleanup name of gem 
object for exynos_drm

:::::: TO: Joonyoung Shim <[email protected]>
:::::: CC: Inki Dae <[email protected]>

---
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