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| author | Dave Airlie <airlied@redhat.com> | 2011-05-19 14:14:42 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@gmail.com> | 2011-05-22 20:25:27 +1000 |
| commit | 0b65f83f9d2fab47b9b6040fe75fc2cfc73032d4 (patch) | |
| tree | 0b1bed04eafc415a9f0b7068c39609af78a6d2eb /drivers/gpu/drm/radeon/ni.c | |
| parent | f25a5c63bfa017498c9adecb24d649ae96ba5c68 (diff) | |
| download | blackbird-op-linux-0b65f83f9d2fab47b9b6040fe75fc2cfc73032d4.tar.gz blackbird-op-linux-0b65f83f9d2fab47b9b6040fe75fc2cfc73032d4.zip | |
drm/radeon/cayman: setup hdp to invalidate and flush when asked
On cayman we need to set the bit to cause HDP flushes to invalidate the
HDP cache also.
Reviewed-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/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 7aade20f63a8..57d3d6c208d8 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -931,6 +931,10 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(CB_PERF_CTR3_SEL_0, 0); WREG32(CB_PERF_CTR3_SEL_1, 0); + tmp = RREG32(HDP_MISC_CNTL); + tmp |= HDP_FLUSH_INVALIDATE_CACHE; + WREG32(HDP_MISC_CNTL, tmp); + hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); |
