diff options
| author | Dave Airlie <airlied@redhat.com> | 2009-11-23 12:01:09 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-02 11:37:11 +1000 |
| commit | 23956dfa82eab95931aab5fa9886c1e96c41e4dc (patch) | |
| tree | ce7c40366ea7cefcb8f7314cfa3e74f764211a84 /drivers/gpu/drm/radeon/r100.c | |
| parent | 38e1492130c42ac806ffd8b21ccf64eb1c997d10 (diff) | |
drm/radeon/kms: add HDP flushing for all GPUs.
rendercheck under kms on r600s was failing due to HDP flushing not happening.
This adds HDP flushing to the object wait function for r100->r700 families.
rendercheck passes basic tests on r600 with this change.
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 4e0a80467b4..772bcd86374 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1589,6 +1589,14 @@ void r100_gpu_init(struct radeon_device *rdev) r100_hdp_reset(rdev); } +void r100_hdp_flush(struct radeon_device *rdev) +{ + u32 tmp; + tmp = RREG32(RADEON_HOST_PATH_CNTL); + tmp |= RADEON_HDP_READ_BUFFER_INVALIDATE; + WREG32(RADEON_HOST_PATH_CNTL, tmp); +} + void r100_hdp_reset(struct radeon_device *rdev) { uint32_t tmp; |