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authorJerome Glisse <jglisse@redhat.com>2012-05-31 19:00:24 -0400
committerDave Airlie <airlied@redhat.com>2012-06-01 15:40:05 +0100
commit95c4b23ec4e2fa5604df229ddf134e31d7b3b378 (patch)
tree91d6cb8971c7a945425b5d5d670608bac170a06f /drivers/gpu
parent0b8c30bc4943137a4a36b9cb059b1cc684f5d702 (diff)
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.c4
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);