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| author | Jerome Glisse <jglisse@redhat.com> | 2012-05-31 19:00:24 -0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-06-10 14:41:54 +0100 |
| commit | f0efda52fb8bffd27c789732d79042c04fc90850 (patch) | |
| tree | 3919da26ce23408cbd957e15e8d6f24c7b8cdba9 /drivers/gpu | |
| parent | d08dedb9859a96adb21443b99c3a13f040c2b38e (diff) | |
| download | lwn-f0efda52fb8bffd27c789732d79042c04fc90850.tar.gz lwn-f0efda52fb8bffd27c789732d79042c04fc90850.zip | |
drm/radeon: fix HD6790, HD6570 backend programming
commit 95c4b23ec4e2fa5604df229ddf134e31d7b3b378 upstream.
Without this bit sets we get broken rendering and
lockups.
fglrx sets this bit.
Bugs that should be fixed by this patch :
https://bugs.freedesktop.org/show_bug.cgi?id=49792
https://bugzilla.kernel.org/show_bug.cgi?id=43207
https://bugs.freedesktop.org/show_bug.cgi?id=39282
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 7777c2fa43b2..dac178be0909 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2116,9 +2116,9 @@ static void evergreen_gpu_init(struct radeon_device *rdev) WREG32(CC_SYS_RB_BACKEND_DISABLE, rb); WREG32(GC_USER_RB_BACKEND_DISABLE, rb); WREG32(CC_GC_SHADER_PIPE_CONFIG, sp); - } + } - grbm_gfx_index |= SE_BROADCAST_WRITES; + grbm_gfx_index = INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES; WREG32(GRBM_GFX_INDEX, grbm_gfx_index); WREG32(RLC_GFX_INDEX, grbm_gfx_index); |