From: Emily Deng <Emily.Deng@amd.com>
Date: Mon, 13 Aug 2018 14:45:34 +0800
Subject: drm/amdgpu/uvd: UVD entity initialization relys on ring initialization
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 33d5bd0705440c158c909da7538f05fc7a0ebcdf
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c |   32 +++++++++++++++++++++++---------
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h |    1 +
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c   |    4 ++++
 drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c   |    4 ++++
 drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c   |    2 ++
 drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c   |    5 +++++
 6 files changed, 39 insertions(+), 9 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -122,8 +122,6 @@ static void amdgpu_uvd_idle_work_handler
 
 int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 {
-	struct amdgpu_ring *ring;
-	struct drm_sched_rq *rq;
 	unsigned long bo_size;
 	const char *fw_name;
 	const struct common_firmware_header *hdr;
@@ -266,13 +264,6 @@ int amdgpu_uvd_sw_init(struct amdgpu_dev
 		}
 	}
 
-	ring = &adev->uvd.inst[0].ring;
-	rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
-	r = drm_sched_entity_init(&adev->uvd.entity, &rq, 1, NULL);
-	if (r) {
-		DRM_ERROR("Failed setting up UVD kernel entity.\n");
-		return r;
-	}
 	for (i = 0; i < adev->uvd.max_handles; ++i) {
 		atomic_set(&adev->uvd.handles[i], 0);
 		adev->uvd.filp[i] = NULL;
@@ -326,6 +317,29 @@ int amdgpu_uvd_sw_fini(struct amdgpu_dev
 
 	return 0;
 }
+
+/**
+ * amdgpu_uvd_entity_init - init entity
+ *
+ * @adev: amdgpu_device pointer
+ *
+ */
+int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	struct drm_sched_rq *rq;
+	int r;
+
+	ring = &adev->uvd.inst[0].ring;
+	rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
+	r = drm_sched_entity_init(&adev->uvd.entity, &rq, 1, NULL);
+	if (r) {
+		DRM_ERROR("Failed setting up UVD kernel entity.\n");
+		return r;
+	}
+
+	return 0;
+}
 
 int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 {
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
@@ -69,6 +69,7 @@ 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_suspend(struct amdgpu_device *adev);
 int amdgpu_uvd_resume(struct amdgpu_device *adev);
 int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -123,6 +123,10 @@ static int uvd_v4_2_sw_init(void *handle
 	ring = &adev->uvd.inst->ring;
 	sprintf(ring->name, "uvd");
 	r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
+	if (r)
+		return r;
+
+	r = amdgpu_uvd_entity_init(adev);
 
 	return r;
 }
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -120,6 +120,10 @@ static int uvd_v5_0_sw_init(void *handle
 	ring = &adev->uvd.inst->ring;
 	sprintf(ring->name, "uvd");
 	r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
+	if (r)
+		return r;
+
+	r = amdgpu_uvd_entity_init(adev);
 
 	return r;
 }
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -440,6 +440,8 @@ static int uvd_v6_0_sw_init(void *handle
 		}
 	}
 
+	r = amdgpu_uvd_entity_init(adev);
+
 	return r;
 }
 
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -410,6 +410,7 @@ static int uvd_v7_0_early_init(void *han
 static int uvd_v7_0_sw_init(void *handle)
 {
 	struct amdgpu_ring *ring;
+
 	int i, j, r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
@@ -478,6 +479,10 @@ static int uvd_v7_0_sw_init(void *handle
 		}
 	}
 
+	r = amdgpu_uvd_entity_init(adev);
+	if (r)
+		return r;
+
 	r = amdgpu_virt_alloc_mm_table(adev);
 	if (r)
 		return r;