[PATCH v7 3/6] drm/sched: Convert the GPU scheduler to variable number of run-queues
Luben Tuikov
luben.tuikov at amd.com
Thu Oct 26 09:40:02 UTC 2023
Also note that there were no complaints from "kernel test robot <lkp at intel.com>"
when I posted my patch (this patch), but there is now, which further shows
that there's unwarranted changes. Just follow the steps I outlined below,
and we should all be good.
Thanks!
Regards,
Luben
On 2023-10-26 05:36, Luben Tuikov wrote:
> Hi,
>
> On 2023-10-26 02:33, kernel test robot wrote:
>> Hi Matthew,
>>
>> kernel test robot noticed the following build warnings:
>>
>> [auto build test WARNING on 201c8a7bd1f3f415920a2df4b8a8817e973f42fe]
>>
>> url: https://github.com/intel-lab-lkp/linux/commits/Matthew-Brost/drm-sched-Add-drm_sched_wqueue_-helpers/20231026-121313
>> base: 201c8a7bd1f3f415920a2df4b8a8817e973f42fe
>> patch link: https://lore.kernel.org/r/20231026041236.1273694-4-matthew.brost%40intel.com
>> patch subject: [PATCH v7 3/6] drm/sched: Convert the GPU scheduler to variable number of run-queues
>> config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20231026/202310261439.3rbAtEoB-lkp@intel.com/config)
>> compiler: m68k-linux-gcc (GCC) 13.2.0
>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231026/202310261439.3rbAtEoB-lkp@intel.com/reproduce)
>>
>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>> the same patch/commit), kindly add following tags
>> | Reported-by: kernel test robot <lkp at intel.com>
>> | Closes: https://lore.kernel.org/oe-kbuild-all/202310261439.3rbAtEoB-lkp@intel.com/
>>
>> All warnings (new ones prefixed by >>):
>>
>> drivers/gpu/drm/etnaviv/etnaviv_sched.c: In function 'etnaviv_sched_init':
>>>> drivers/gpu/drm/etnaviv/etnaviv_sched.c:138:30: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 138 | DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> In file included from drivers/gpu/drm/etnaviv/etnaviv_drv.h:20,
>> from drivers/gpu/drm/etnaviv/etnaviv_sched.c:8:
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>> In file included from include/uapi/linux/posix_types.h:5,
>> from include/uapi/linux/types.h:14,
>> from include/linux/types.h:6,
>> from include/linux/kasan-checks.h:5,
>> from include/asm-generic/rwonce.h:26,
>> from ./arch/m68k/include/generated/asm/rwonce.h:1,
>> from include/linux/compiler.h:246,
>> from include/linux/build_bug.h:5,
>> from include/linux/init.h:5,
>> from include/linux/moduleparam.h:5,
>> from drivers/gpu/drm/etnaviv/etnaviv_sched.c:6:
>
> The reason for this compilation failure is that this patch is completely mangled and nothing like the patch I posted.
>
> My patch is: https://lore.kernel.org/all/20231023032251.164775-1-luben.tuikov@amd.com/
>
> Save it raw to your disk from this link: https://lore.kernel.org/all/20231023032251.164775-1-luben.tuikov@amd.com/raw
>
> And apply it with "git am <file-name>" on top of your clean tree, e.g. drm-misc-next. THEN, after that,
> apply your patches.
>
> It should then compile without any problems.
>
> Just looking at the first hunk in my patch:
>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index 2b8356699f235d..251995a90bbe69 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -2280,6 +2280,7 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev)
>> }
>>
>> r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
>> + DRM_SCHED_PRIORITY_COUNT,
>> ring->num_hw_submission, 0,
>> timeout, adev->reset_domain->wq,
>> ring->sched_score, ring->name,
>
> While this looks like this in the version you posted of my patch:
>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index b54c4d771104..94d073bfbd13 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -2280,6 +2280,7 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev)
>> }
>>
>> r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, NULL,
>> + DRM_SCHED_PRIORITY_COUNT,
>> ring->num_hw_submission, 0,
>> timeout, adev->reset_domain->wq,
>> ring->sched_score, ring->name,
>
> What's that "NULL" doing as the 3rd argument???
>
> And the rest is similarly mangled as well.
>
> Please apply my patch AS IS, no local changes, and then apply your patches on top. That should ensure compilation is correct for all,
> and a more precise review can be had.
>
> FWIW, we should've had dynamic sched_rq from the outset as opposed to having to have my patch that now. So imagine that you already
> have a branch which has dynamic sched_rq, and then you apply your patches--should be a more straightforward and clean application.
>
> Regards,
> Luben
>
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/etnaviv/etnaviv_sched.c:138:56: note: in expansion of macro 'NULL'
>> 138 | DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>> --
>> drivers/gpu/drm/lima/lima_sched.c: In function 'lima_sched_pipe_init':
>>>> drivers/gpu/drm/lima/lima_sched.c:492:31: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 492 | DRM_SCHED_PRIORITY_COUNT, NULL, 1,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> In file included from drivers/gpu/drm/lima/lima_sched.h:7,
>> from drivers/gpu/drm/lima/lima_device.h:12,
>> from drivers/gpu/drm/lima/lima_ctx.h:10,
>> from drivers/gpu/drm/lima/lima_drv.h:9,
>> from drivers/gpu/drm/lima/lima_sched.c:11:
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>> In file included from include/uapi/linux/posix_types.h:5,
>> from include/uapi/linux/types.h:14,
>> from include/linux/types.h:6,
>> from include/linux/io.h:9,
>> from include/linux/iosys-map.h:10,
>> from drivers/gpu/drm/lima/lima_sched.c:4:
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/lima/lima_sched.c:492:57: note: in expansion of macro 'NULL'
>> 492 | DRM_SCHED_PRIORITY_COUNT, NULL, 1,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>> --
>> drivers/gpu/drm/v3d/v3d_sched.c: In function 'v3d_sched_init':
>>>> drivers/gpu/drm/v3d/v3d_sched.c:391:50: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 391 | &v3d_bin_sched_ops, DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> In file included from drivers/gpu/drm/v3d/v3d_drv.h:12,
>> from drivers/gpu/drm/v3d/v3d_sched.c:23:
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>> In file included from include/uapi/linux/posix_types.h:5,
>> from include/uapi/linux/types.h:14,
>> from include/linux/types.h:6,
>> from include/linux/kasan-checks.h:5,
>> from include/asm-generic/rwonce.h:26,
>> from ./arch/m68k/include/generated/asm/rwonce.h:1,
>> from include/linux/compiler.h:246,
>> from include/linux/err.h:5,
>> from include/linux/kthread.h:5,
>> from drivers/gpu/drm/v3d/v3d_sched.c:21:
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/v3d/v3d_sched.c:391:76: note: in expansion of macro 'NULL'
>> 391 | &v3d_bin_sched_ops, DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>> drivers/gpu/drm/v3d/v3d_sched.c:399:53: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 399 | &v3d_render_sched_ops, DRM_SCHED_PRIORITY_COUNT,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/v3d/v3d_sched.c:400:30: note: in expansion of macro 'NULL'
>> 400 | NULL, hw_jobs_limit, job_hang_limit,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>> drivers/gpu/drm/v3d/v3d_sched.c:407:50: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 407 | &v3d_tfu_sched_ops, DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/v3d/v3d_sched.c:407:76: note: in expansion of macro 'NULL'
>> 407 | &v3d_tfu_sched_ops, DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>> drivers/gpu/drm/v3d/v3d_sched.c:417:38: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 417 | DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/v3d/v3d_sched.c:417:64: note: in expansion of macro 'NULL'
>> 417 | DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>> drivers/gpu/drm/v3d/v3d_sched.c:426:38: warning: passing argument 3 of 'drm_sched_init' makes pointer from integer without a cast [-Wint-conversion]
>> 426 | DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~
>> | |
>> | int
>> include/drm/gpu_scheduler.h:530:45: note: expected 'struct workqueue_struct *' but argument is of type 'int'
>> 530 | struct workqueue_struct *submit_wq,
>> | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>>>> include/linux/stddef.h:8:14: warning: passing argument 4 of 'drm_sched_init' makes integer from pointer without a cast [-Wint-conversion]
>> 8 | #define NULL ((void *)0)
>> | ^~~~~~~~~~~
>> | |
>> | void *
>> drivers/gpu/drm/v3d/v3d_sched.c:426:64: note: in expansion of macro 'NULL'
>> 426 | DRM_SCHED_PRIORITY_COUNT, NULL,
>> | ^~~~
>> include/drm/gpu_scheduler.h:531:24: note: expected 'u32' {aka 'unsigned int'} but argument is of type 'void *'
>> 531 | u32 num_rqs, uint32_t hw_submission, unsigned hang_limit,
>> | ~~~~^~~~~~~
>>
>>
>> vim +/drm_sched_init +138 drivers/gpu/drm/etnaviv/etnaviv_sched.c
>>
>> 132
>> 133 int etnaviv_sched_init(struct etnaviv_gpu *gpu)
>> 134 {
>> 135 int ret;
>> 136
>> 137 ret = drm_sched_init(&gpu->sched, &etnaviv_sched_ops,
>> > 138 DRM_SCHED_PRIORITY_COUNT, NULL,
>> 139 etnaviv_hw_jobs_limit, etnaviv_job_hang_limit,
>> 140 msecs_to_jiffies(500), NULL, NULL,
>> 141 dev_name(gpu->dev), gpu->dev);
>> 142 if (ret)
>> 143 return ret;
>> 144
>> 145 return 0;
>> 146 }
>> 147
>>
>
--
Regards,
Luben
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