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authorChristian König <christian.koenig@amd.com>2013-08-13 11:56:51 +0200
committerAlex Deucher <alexander.deucher@amd.com>2013-08-30 16:30:40 -0400
commit02c9f7fa4e7230fc4ae8bf26f64e45aa76011f9c (patch)
tree356f4dc89d3db10e332664c707de837fa8bc7e3e /drivers/gpu/drm/radeon/si.c
parent76a0df859defc53e6cb61f698a48ac7da92c8d84 (diff)
downloadblackbird-op-linux-02c9f7fa4e7230fc4ae8bf26f64e45aa76011f9c.tar.gz
blackbird-op-linux-02c9f7fa4e7230fc4ae8bf26f64e45aa76011f9c.zip
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
-rw-r--r--drivers/gpu/drm/radeon/si.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index da23ce8f4388..4ff59c8f508f 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6416,8 +6416,7 @@ static int si_startup(struct radeon_device *rdev)
if (rdev->has_uvd) {
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)
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