[PATCH 2/2] drm/amdgpu/vce: VCE entity initialization relies on ring initializtion

[Emily Deng]

Entity init should after ring init, as the entity's sched_rq's initialization
is in ring init.

SWDEV-161495

Signed-off-by: Emily Deng <Emily.Deng at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 33 +++++++++++++++++++++++----------
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h |  1 +
 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   |  6 ++++++
 5 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index b6ab4f5..0cc5190 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -90,8 +90,6 @@ static void amdgpu_vce_idle_work_handler(struct work_struct *work);
  */
 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
 {
-	struct amdgpu_ring *ring;
-	struct drm_sched_rq *rq;
 	const char *fw_name;
 	const struct common_firmware_header *hdr;
 	unsigned ucode_version, version_major, version_minor, binary_id;
@@ -188,14 +186,6 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
 		return r;
 	}
 
-	ring = &adev->vce.ring[0];
-	rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
-	r = drm_sched_entity_init(&adev->vce.entity, &rq, 1, NULL);
-	if (r != 0) {
-		DRM_ERROR("Failed setting up VCE run queue.\n");
-		return r;
-	}
-
 	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 		atomic_set(&adev->vce.handles[i], 0);
 		adev->vce.filp[i] = NULL;
@@ -236,6 +226,29 @@ int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
 }
 
 /**
+ * amdgpu_vce_entity_init - init entity
+ *
+ * @adev: amdgpu_device pointer
+ *
+ */
+int amdgpu_vce_entity_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	struct drm_sched_rq *rq;
+	int r;
+
+	ring = &adev->vce.ring[0];
+	rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
+	r = drm_sched_entity_init(&adev->vce.entity, &rq, 1, NULL);
+	if (r != 0) {
+		DRM_ERROR("Failed setting up VCE run queue.\n");
+		return r;
+	}
+
+	return 0;
+}
+
+/**
  * amdgpu_vce_suspend - unpin VCE fw memory
  *
  * @adev: amdgpu_device pointer
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
index 7178126..a1f209e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
@@ -55,6 +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_suspend(struct amdgpu_device *adev);
 int amdgpu_vce_resume(struct amdgpu_device *adev);
 int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
index d48e877..7eaa54b 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
@@ -439,6 +439,8 @@ 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 cc6ce6c..c8390f9a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -448,6 +448,8 @@ 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 65f8860..6faeb17 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -419,6 +419,7 @@ static int vce_v4_0_sw_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	struct amdgpu_ring *ring;
+
 	unsigned size;
 	int r, i;
 
@@ -474,6 +475,11 @@ 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;
-- 
2.7.4