3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Christian König <christian.koenig@xxxxxxx>
commit 112a6d0c071808f6d48354fc8834a574e5dcefc0 upstream.
When the message buffer is currently moving block until it is idle again.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_uvd.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -359,6 +359,14 @@ static int radeon_uvd_cs_msg(struct rade
return -EINVAL;
}
+ if (bo->tbo.sync_obj) {
+ r = radeon_fence_wait(bo->tbo.sync_obj, false);
+ if (r) {
+ DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
+ return r;
+ }
+ }
+
r = radeon_bo_kmap(bo, &ptr);
if (r)
return r;
--
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