[PATCH] drm/amdgpu: move UVD and VCE sched entity init after sched init

Luben Tuikov ltuikov89 at gmail.com
Thu Nov 9 21:35:08 UTC 2023


On 2023-11-09 11:13, Alex Deucher wrote:
> Ping?
> 
> On Wed, Nov 8, 2023 at 1:42 PM Alex Deucher <alexander.deucher at amd.com> wrote:
>>
>> We need kernel scheduling entities to deal with handle clean up
>> if apps are not cleaned up properly.  With commit 56e449603f0ac5
>> ("drm/sched: Convert the GPU scheduler to variable number of run-queues")
>> the scheduler entities have to be created after scheduler init, so
>> change the ordering to fix this.
>>
>> v2: Leave logic in UVD and VCE code
>>
>> Fixes: 56e449603f0ac5 ("drm/sched: Convert the GPU scheduler to variable number of run-queues")
>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>> Cc: ltuikov89 at gmail.com

Reviewed-by: Luben Tuikov <ltuikov89 at gmail.com>

Regards,
Luben

>> ---
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 +++++++++++
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c    | 22 ++++++++++----------
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h    |  2 +-
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c    | 24 +++++++++++-----------
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h    |  2 +-
>>  drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c      |  2 --
>>  drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c      |  2 --
>>  drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c      |  2 --
>>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c      |  2 --
>>  drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c      |  4 ----
>>  drivers/gpu/drm/amd/amdgpu/vce_v2_0.c      |  2 --
>>  drivers/gpu/drm/amd/amdgpu/vce_v3_0.c      |  2 --
>>  drivers/gpu/drm/amd/amdgpu/vce_v4_0.c      |  5 -----
>>  13 files changed, 37 insertions(+), 46 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index 43a95feba884..03e669c34033 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -2499,6 +2499,18 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev)
>>                                   ring->name);
>>                         return r;
>>                 }
>> +               r = amdgpu_uvd_entity_init(adev, ring);
>> +               if (r) {
>> +                       DRM_ERROR("Failed to create UVD scheduling entity on ring %s.\n",
>> +                                 ring->name);
>> +                       return r;
>> +               }
>> +               r = amdgpu_vce_entity_init(adev, ring);
>> +               if (r) {
>> +                       DRM_ERROR("Failed to create VCE scheduling entity on ring %s.\n",
>> +                                 ring->name);
>> +                       return r;
>> +               }
>>         }
>>
>>         amdgpu_xcp_update_partition_sched_list(adev);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>> index 815b7c34ed33..65949cc7abb9 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
>> @@ -399,20 +399,20 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
>>   *
>>   * @adev: amdgpu_device pointer
>>   *
>> + * Initialize the entity used for handle management in the kernel driver.
>>   */
>> -int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
>> +int amdgpu_uvd_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring)
>>  {
>> -       struct amdgpu_ring *ring;
>> -       struct drm_gpu_scheduler *sched;
>> -       int r;
>> +       if (ring == &adev->uvd.inst[0].ring) {
>> +               struct drm_gpu_scheduler *sched = &ring->sched;
>> +               int r;
>>
>> -       ring = &adev->uvd.inst[0].ring;
>> -       sched = &ring->sched;
>> -       r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
>> -                                 &sched, 1, NULL);
>> -       if (r) {
>> -               DRM_ERROR("Failed setting up UVD kernel entity.\n");
>> -               return r;
>> +               r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
>> +                                         &sched, 1, NULL);
>> +               if (r) {
>> +                       DRM_ERROR("Failed setting up UVD kernel entity.\n");
>> +                       return r;
>> +               }
>>         }
>>
>>         return 0;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
>> index a9f342537c68..9dfad2f48ef4 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
>> @@ -73,7 +73,7 @@ struct amdgpu_uvd {
>>
>>  int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
>>  int amdgpu_uvd_sw_fini(struct amdgpu_device *adev);
>> -int amdgpu_uvd_entity_init(struct amdgpu_device *adev);
>> +int amdgpu_uvd_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring);
>>  int amdgpu_uvd_prepare_suspend(struct amdgpu_device *adev);
>>  int amdgpu_uvd_suspend(struct amdgpu_device *adev);
>>  int amdgpu_uvd_resume(struct amdgpu_device *adev);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> index 1904edf68407..0954447f689d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> @@ -231,20 +231,20 @@ int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
>>   *
>>   * @adev: amdgpu_device pointer
>>   *
>> + * Initialize the entity used for handle management in the kernel driver.
>>   */
>> -int amdgpu_vce_entity_init(struct amdgpu_device *adev)
>> +int amdgpu_vce_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring)
>>  {
>> -       struct amdgpu_ring *ring;
>> -       struct drm_gpu_scheduler *sched;
>> -       int r;
>> -
>> -       ring = &adev->vce.ring[0];
>> -       sched = &ring->sched;
>> -       r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
>> -                                 &sched, 1, NULL);
>> -       if (r != 0) {
>> -               DRM_ERROR("Failed setting up VCE run queue.\n");
>> -               return r;
>> +       if (ring == &adev->vce.ring[0]) {
>> +               struct drm_gpu_scheduler *sched = &ring->sched;
>> +               int r;
>> +
>> +               r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
>> +                                         &sched, 1, NULL);
>> +               if (r != 0) {
>> +                       DRM_ERROR("Failed setting up VCE run queue.\n");
>> +                       return r;
>> +               }
>>         }
>>
>>         return 0;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
>> index ea680fc9a6c3..6e53f872d084 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
>> @@ -55,7 +55,7 @@ struct amdgpu_vce {
>>
>>  int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size);
>>  int amdgpu_vce_sw_fini(struct amdgpu_device *adev);
>> -int amdgpu_vce_entity_init(struct amdgpu_device *adev);
>> +int amdgpu_vce_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring);
>>  int amdgpu_vce_suspend(struct amdgpu_device *adev);
>>  int amdgpu_vce_resume(struct amdgpu_device *adev);
>>  void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp);
>> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c b/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
>> index 58a8f78c003c..a6006f231c65 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
>> @@ -577,8 +577,6 @@ static int uvd_v3_1_sw_init(void *handle)
>>         ptr += ucode_len;
>>         memcpy(&adev->uvd.keyselect, ptr, 4);
>>
>> -       r = amdgpu_uvd_entity_init(adev);
>> -
>>         return r;
>>  }
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
>> index d3b1e31f5450..1aa09ad7bbe3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
>> @@ -127,8 +127,6 @@ static int uvd_v4_2_sw_init(void *handle)
>>         if (r)
>>                 return r;
>>
>> -       r = amdgpu_uvd_entity_init(adev);
>> -
>>         return r;
>>  }
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
>> index 5a8116437abf..f8b229b75435 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
>> @@ -125,8 +125,6 @@ static int uvd_v5_0_sw_init(void *handle)
>>         if (r)
>>                 return r;
>>
>> -       r = amdgpu_uvd_entity_init(adev);
>> -
>>         return r;
>>  }
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
>> index 74c09230aeb3..a9a6880f44e3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
>> @@ -432,8 +432,6 @@ static int uvd_v6_0_sw_init(void *handle)
>>                 }
>>         }
>>
>> -       r = amdgpu_uvd_entity_init(adev);
>> -
>>         return r;
>>  }
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
>> index 1c42cf10cc29..6068b784dc69 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
>> @@ -480,10 +480,6 @@ static int uvd_v7_0_sw_init(void *handle)
>>         if (r)
>>                 return r;
>>
>> -       r = amdgpu_uvd_entity_init(adev);
>> -       if (r)
>> -               return r;
>> -
>>         r = amdgpu_virt_alloc_mm_table(adev);
>>         if (r)
>>                 return r;
>> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
>> index 67eb01fef789..a08e7abca423 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
>> @@ -441,8 +441,6 @@ static int vce_v2_0_sw_init(void *handle)
>>                         return r;
>>         }
>>
>> -       r = amdgpu_vce_entity_init(adev);
>> -
>>         return r;
>>  }
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
>> index 18f6e62af339..f4760748d349 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
>> @@ -450,8 +450,6 @@ static int vce_v3_0_sw_init(void *handle)
>>                         return r;
>>         }
>>
>> -       r = amdgpu_vce_entity_init(adev);
>> -
>>         return r;
>>  }
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
>> index e0b70cd3b697..06d787385ad4 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
>> @@ -486,11 +486,6 @@ static int vce_v4_0_sw_init(void *handle)
>>                         return r;
>>         }
>>
>> -
>> -       r = amdgpu_vce_entity_init(adev);
>> -       if (r)
>> -               return r;
>> -
>>         r = amdgpu_virt_alloc_mm_table(adev);
>>         if (r)
>>                 return r;
>> --
>> 2.41.0
>>
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