Re: [PATCH v6 04/10] gpu: host1x: Add context device management code

2022-07-04 Thread kernel test robot
Hi Mikko,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on tegra/for-next linus/master v5.19-rc5]
[cannot apply to tegra-drm/drm/tegra/for-next next-20220704]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:
https://github.com/intel-lab-lkp/linux/commits/Mikko-Perttunen/Host1x-context-isolation-support/20220621-231339
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: arm-randconfig-r005-20220703 
(https://download.01.org/0day-ci/archive/20220705/202207051045.jwevr4tw-...@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# 
https://github.com/intel-lab-lkp/linux/commit/2501beeae7469b805f9f624049fd56643cf6e18e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review 
Mikko-Perttunen/Host1x-context-isolation-support/20220621-231339
git checkout 2501beeae7469b805f9f624049fd56643cf6e18e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 
O=build_dir ARCH=arm SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/gpu/host1x/context.c: In function 'host1x_memory_context_list_init':
>> drivers/gpu/host1x/context.c:80:40: error: 'struct iommu_fwspec' has no 
>> member named 'ids'
  80 | ctx->stream_id = fwspec->ids[0] & 0x;
 |^~


vim +80 drivers/gpu/host1x/context.c

15  
16  int host1x_memory_context_list_init(struct host1x *host1x)
17  {
18  struct host1x_memory_context_list *cdl = &host1x->context_list;
19  struct device_node *node = host1x->dev->of_node;
20  struct host1x_memory_context *ctx;
21  unsigned int i;
22  int err;
23  
24  cdl->devs = NULL;
25  cdl->len = 0;
26  mutex_init(&cdl->lock);
27  
28  err = of_property_count_u32_elems(node, "iommu-map");
29  if (err < 0)
30  return 0;
31  
32  cdl->devs = kcalloc(err, sizeof(*cdl->devs), GFP_KERNEL);
33  if (!cdl->devs)
34  return -ENOMEM;
35  cdl->len = err / 4;
36  
37  for (i = 0; i < cdl->len; i++) {
38  struct iommu_fwspec *fwspec;
39  
40  ctx = &cdl->devs[i];
41  
42  ctx->host = host1x;
43  
44  device_initialize(&ctx->dev);
45  
46  /*
47   * Due to an issue with T194 NVENC, only 38 bits can be 
used.
48   * Anyway, 256GiB of IOVA ought to be enough for anyone.
49   */
50  ctx->dma_mask = DMA_BIT_MASK(38);
51  ctx->dev.dma_mask = &ctx->dma_mask;
52  ctx->dev.coherent_dma_mask = ctx->dma_mask;
53  dev_set_name(&ctx->dev, "host1x-ctx.%d", i);
54  ctx->dev.bus = &host1x_context_device_bus_type;
55  ctx->dev.parent = host1x->dev;
56  
57  dma_set_max_seg_size(&ctx->dev, UINT_MAX);
58  
59  err = device_add(&ctx->dev);
60  if (err) {
61  dev_err(host1x->dev, "could not add context 
device %d: %d\n", i, err);
62  goto del_devices;
63  }
64  
65  err = of_dma_configure_id(&ctx->dev, node, true, &i);
66  if (err) {
67  dev_err(host1x->dev, "IOMMU configuration 
failed for context device %d: %d\n",
68  i, err);
69  device_del(&ctx->dev);
70  goto del_devices;
71  }
72  
73  fwspec = dev_iommu_fwspec_get(&ctx->dev);
74  if (!fwspec) {
75  dev_err(host1x->dev, "Context device %d has no 
IOMMU!\n", i);
76  device_del(&ctx->dev);
77  goto del_devices;
78  }
79  
  > 80  ctx->stream_id = fwspec->ids[0] & 0x;
81  }
82  
83  return 0;
84  
85  del_devices:
86  while (i--)
87  device_del(&cdl->devs[i].dev);
88  

Re: [PATCH v6 04/10] gpu: host1x: Add context device management code

2022-06-22 Thread kernel test robot
Hi Mikko,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on tegra/for-next linus/master v5.19-rc3]
[cannot apply to tegra-drm/drm/tegra/for-next next-20220621]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:
https://github.com/intel-lab-lkp/linux/commits/Mikko-Perttunen/Host1x-context-isolation-support/20220621-231339
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: arm64-randconfig-r021-20220622 
(https://download.01.org/0day-ci/archive/20220622/202206221557.laes8ynq-...@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 
8b8d126598ce7bd5243da7f94f69fa1104288bee)
reproduce (this is a W=1 build):
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# 
https://github.com/intel-lab-lkp/linux/commit/2501beeae7469b805f9f624049fd56643cf6e18e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review 
Mikko-Perttunen/Host1x-context-isolation-support/20220621-231339
git checkout 2501beeae7469b805f9f624049fd56643cf6e18e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 
O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/host1x/

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

All errors (new ones prefixed by >>):

>> drivers/gpu/host1x/context.c:80:28: error: no member named 'ids' in 'struct 
>> iommu_fwspec'
   ctx->stream_id = fwspec->ids[0] & 0x;
~~  ^
   1 error generated.


vim +80 drivers/gpu/host1x/context.c

15  
16  int host1x_memory_context_list_init(struct host1x *host1x)
17  {
18  struct host1x_memory_context_list *cdl = &host1x->context_list;
19  struct device_node *node = host1x->dev->of_node;
20  struct host1x_memory_context *ctx;
21  unsigned int i;
22  int err;
23  
24  cdl->devs = NULL;
25  cdl->len = 0;
26  mutex_init(&cdl->lock);
27  
28  err = of_property_count_u32_elems(node, "iommu-map");
29  if (err < 0)
30  return 0;
31  
32  cdl->devs = kcalloc(err, sizeof(*cdl->devs), GFP_KERNEL);
33  if (!cdl->devs)
34  return -ENOMEM;
35  cdl->len = err / 4;
36  
37  for (i = 0; i < cdl->len; i++) {
38  struct iommu_fwspec *fwspec;
39  
40  ctx = &cdl->devs[i];
41  
42  ctx->host = host1x;
43  
44  device_initialize(&ctx->dev);
45  
46  /*
47   * Due to an issue with T194 NVENC, only 38 bits can be 
used.
48   * Anyway, 256GiB of IOVA ought to be enough for anyone.
49   */
50  ctx->dma_mask = DMA_BIT_MASK(38);
51  ctx->dev.dma_mask = &ctx->dma_mask;
52  ctx->dev.coherent_dma_mask = ctx->dma_mask;
53  dev_set_name(&ctx->dev, "host1x-ctx.%d", i);
54  ctx->dev.bus = &host1x_context_device_bus_type;
55  ctx->dev.parent = host1x->dev;
56  
57  dma_set_max_seg_size(&ctx->dev, UINT_MAX);
58  
59  err = device_add(&ctx->dev);
60  if (err) {
61  dev_err(host1x->dev, "could not add context 
device %d: %d\n", i, err);
62  goto del_devices;
63  }
64  
65  err = of_dma_configure_id(&ctx->dev, node, true, &i);
66  if (err) {
67  dev_err(host1x->dev, "IOMMU configuration 
failed for context device %d: %d\n",
68  i, err);
69  device_del(&ctx->dev);
70  goto del_devices;
71  }
72  
73  fwspec = dev_iommu_fwspec_get(&ctx->dev);
74  if (!fwspec) {
75  dev_err(host1x->dev, "Context device %d has no 
IOMMU!\n", i);
76  device_del(&ctx->dev);
77  goto del_devices;
78  }
79  
  > 80  ctx->stream_id = fwspec->ids[0] & 0x;
81  }
82  
83  retur