diff options
| author | Jerome Glisse <jglisse@redhat.com> | 2012-05-31 19:00:24 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-06-01 15:40:05 +0100 |
| commit | 95c4b23ec4e2fa5604df229ddf134e31d7b3b378 (patch) | |
| tree | 91d6cb8971c7a945425b5d5d670608bac170a06f /drivers/gpu | |
| parent | 0b8c30bc4943137a4a36b9cb059b1cc684f5d702 (diff) | |
| download | linux-95c4b23ec4e2fa5604df229ddf134e31d7b3b378.tar.gz linux-95c4b23ec4e2fa5604df229ddf134e31d7b3b378.tar.bz2 linux-95c4b23ec4e2fa5604df229ddf134e31d7b3b378.zip | |
drm/radeon: fix HD6790, HD6570 backend programming
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>
Cc: stable@vger.kernel.org
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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 0408ac27a863..6a57f0d4dae8 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2178,9 +2178,9 @@ 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); |