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

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Am 08.11.23 um 19:41 schrieb Alex Deucher:
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@xxxxxxx>
Cc: ltuikov89@xxxxxxxxx

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  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;




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