diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-07-26 18:51:53 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-08-02 10:06:18 +1000 |
| commit | 812d046915f48236657f02c06d7dc47140e9ceda (patch) | |
| tree | 77a9c724a2316593fa22f7442d5c4a8d00c9af32 /drivers/gpu/drm/radeon/rv770d.h | |
| parent | 833ee5c4ab36937a99e63935d7f06bc2c1f9343b (diff) | |
drm/radeon/kms/r7xx: add workaround for hw issue with HDP flush
Use of HDP_*_COHERENCY_FLUSH_CNTL can cause a hang in certain
situations. Add workaround.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770d.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770d.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index fd733f268e3d..b7a5a20e81dc 100644 --- a/drivers/gpu/drm/radeon/rv770d.h +++ b/drivers/gpu/drm/radeon/rv770d.h @@ -133,6 +133,7 @@ #define HDP_NONSURFACE_SIZE 0x2C0C #define HDP_REG_COHERENCY_FLUSH_CNTL 0x54A0 #define HDP_TILING_CONFIG 0x2F3C +#define HDP_DEBUG1 0x2F34 #define MC_SHARED_CHMAP 0x2004 #define NOOFCHAN_SHIFT 12 |