Acked-by: Nirmoy Das <nirmoy....@amd.com>

On 10/28/2021 3:26 PM, Christian König wrote:
Don't touch the exclusive fence manually here, but rather use the
general dma_resv function. We did that for better hw reset handling but
this doesn't necessary work correctly.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
  drivers/gpu/drm/radeon/radeon_uvd.c | 13 +++++--------
  1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c 
b/drivers/gpu/drm/radeon/radeon_uvd.c
index 2ea86919d953..377f9cdb5b53 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -469,7 +469,6 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, 
struct radeon_bo *bo,
  {
        int32_t *msg, msg_type, handle;
        unsigned img_size = 0;
-       struct dma_fence *f;
        void *ptr;
int i, r;
@@ -479,13 +478,11 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, 
struct radeon_bo *bo,
                return -EINVAL;
        }
- f = dma_resv_excl_fence(bo->tbo.base.resv);
-       if (f) {
-               r = radeon_fence_wait((struct radeon_fence *)f, false);
-               if (r) {
-                       DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
-                       return r;
-               }
+       r = dma_resv_wait_timeout(bo->tbo.base.resv, false, false,
+                                 MAX_SCHEDULE_TIMEOUT);
+       if (r <= 0) {
+               DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
+               return r ? r : -ETIME;
        }
r = radeon_bo_kmap(bo, &ptr);

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