drm/amdgpu: fix and cleanup UVD IB generation

We didn't synced the BO after validating it. Also sart to use
amdgpu_bo_create_reserved to simplify things.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 7cdbe0c14496b66739389ef0f06162427f360b14..9cd5517a4fa9c376bc7641b1868c86543b2a49b5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -952,37 +952,28 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
 static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
                               bool direct, struct dma_fence **fence)
 {
-       struct ttm_operation_ctx ctx = { true, false };
-       struct ttm_validate_buffer tv;
-       struct ww_acquire_ctx ticket;
-       struct list_head head;
+       struct amdgpu_device *adev = ring->adev;
+       struct dma_fence *f = NULL;
        struct amdgpu_job *job;
        struct amdgpu_ib *ib;
-       struct dma_fence *f = NULL;
-       struct amdgpu_device *adev = ring->adev;
-       uint64_t addr;
        uint32_t data[4];
-       int i, r;
-
-       memset(&tv, 0, sizeof(tv));
-       tv.bo = &bo->tbo;
-
-       INIT_LIST_HEAD(&head);
-       list_add(&tv.head, &head);
+       uint64_t addr;
+       long r;
+       int i;
 
-       r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL);
-       if (r)
-               return r;
+       amdgpu_bo_kunmap(bo);
+       amdgpu_bo_unpin(bo);
 
        if (!ring->adev->uvd.address_64_bit) {
+               struct ttm_operation_ctx ctx = { true, false };
+
                amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
                amdgpu_uvd_force_into_uvd_segment(bo);
+               r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
+               if (r)
+                       goto err;
        }
 
-       r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
-       if (r)
-               goto err;
-
        r = amdgpu_job_alloc_with_ib(adev, 64, &job);
        if (r)
                goto err;
@@ -1014,6 +1005,14 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
        ib->length_dw = 16;
 
        if (direct) {
+               r = reservation_object_wait_timeout_rcu(bo->tbo.resv,
+                                                       true, false,
+                                                       msecs_to_jiffies(10));
+               if (r == 0)
+                       r = -ETIMEDOUT;
+               if (r < 0)
+                       goto err_free;
+
                r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
                job->fence = dma_fence_get(f);
                if (r)
@@ -1021,17 +1020,23 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
 
                amdgpu_job_free(job);
        } else {
+               r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv,
+                                    AMDGPU_FENCE_OWNER_UNDEFINED, false);
+               if (r)
+                       goto err_free;
+
                r = amdgpu_job_submit(job, ring, &adev->uvd.entity,
                                      AMDGPU_FENCE_OWNER_UNDEFINED, &f);
                if (r)
                        goto err_free;
        }
 
-       ttm_eu_fence_buffer_objects(&ticket, &head, f);
+       amdgpu_bo_fence(bo, f, false);
+       amdgpu_bo_unreserve(bo);
+       amdgpu_bo_unref(&bo);
 
        if (fence)
                *fence = dma_fence_get(f);
-       amdgpu_bo_unref(&bo);
        dma_fence_put(f);
 
        return 0;
@@ -1040,7 +1045,8 @@ err_free:
        amdgpu_job_free(job);
 
 err:
-       ttm_eu_backoff_reservation(&ticket, &head);
+       amdgpu_bo_unreserve(bo);
+       amdgpu_bo_unref(&bo);
        return r;
 }
 
@@ -1051,31 +1057,16 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
                              struct dma_fence **fence)
 {
        struct amdgpu_device *adev = ring->adev;
-       struct amdgpu_bo *bo;
+       struct amdgpu_bo *bo = NULL;
        uint32_t *msg;
        int r, i;
 
-       r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
-                            AMDGPU_GEM_DOMAIN_VRAM,
-                            AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
-                            AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-                            NULL, NULL, &bo);
+       r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
+                                     AMDGPU_GEM_DOMAIN_VRAM,
+                                     &bo, NULL, (void **)&msg);
        if (r)
                return r;
 
-       r = amdgpu_bo_reserve(bo, false);
-       if (r) {
-               amdgpu_bo_unref(&bo);
-               return r;
-       }
-
-       r = amdgpu_bo_kmap(bo, (void **)&msg);
-       if (r) {
-               amdgpu_bo_unreserve(bo);
-               amdgpu_bo_unref(&bo);
-               return r;
-       }
-
        /* stitch together an UVD create msg */
        msg[0] = cpu_to_le32(0x00000de4);
        msg[1] = cpu_to_le32(0x00000000);
@@ -1091,9 +1082,6 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
        for (i = 11; i < 1024; ++i)
                msg[i] = cpu_to_le32(0x0);
 
-       amdgpu_bo_kunmap(bo);
-       amdgpu_bo_unreserve(bo);
-
        return amdgpu_uvd_send_msg(ring, bo, true, fence);
 }
 
@@ -1101,31 +1089,16 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
                               bool direct, struct dma_fence **fence)
 {
        struct amdgpu_device *adev = ring->adev;
-       struct amdgpu_bo *bo;
+       struct amdgpu_bo *bo = NULL;
        uint32_t *msg;
        int r, i;
 
-       r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
-                            AMDGPU_GEM_DOMAIN_VRAM,
-                            AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
-                            AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
-                            NULL, NULL, &bo);
+       r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
+                                     AMDGPU_GEM_DOMAIN_VRAM,
+                                     &bo, NULL, (void **)&msg);
        if (r)
                return r;
 
-       r = amdgpu_bo_reserve(bo, false);
-       if (r) {
-               amdgpu_bo_unref(&bo);
-               return r;
-       }
-
-       r = amdgpu_bo_kmap(bo, (void **)&msg);
-       if (r) {
-               amdgpu_bo_unreserve(bo);
-               amdgpu_bo_unref(&bo);
-               return r;
-       }
-
        /* stitch together an UVD destroy msg */
        msg[0] = cpu_to_le32(0x00000de4);
        msg[1] = cpu_to_le32(0x00000002);
@@ -1134,9 +1107,6 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
        for (i = 4; i < 1024; ++i)
                msg[i] = cpu_to_le32(0x0);
 
-       amdgpu_bo_kunmap(bo);
-       amdgpu_bo_unreserve(bo);
-
        return amdgpu_uvd_send_msg(ring, bo, direct, fence);
 }