drm/radeon: rework UVD writeback & [rw]ptr handling
The hardware just doesn't support this correctly.
Disable it before we accidentally write anywhere we shouldn't.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 710c1d4..2139f6c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5291,8 +5291,7 @@
ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
if (ring->ring_size) {
- r = radeon_ring_init(rdev, ring, ring->ring_size,
- R600_WB_UVD_RPTR_OFFSET,
+ r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
0, 0xfffff, RADEON_CP_PACKET2);
if (!r)