1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 4ad0281fdc37..b4f51c569c36 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -616,6 +616,9 @@ static void rv770_gpu_init(struct radeon_device *rdev)
                                        ACK_FLUSH_CTL(3) |
                                        SYNC_FLUSH_CTL));
 
+        if (rdev->family != CHIP_RV770)
+                WREG32(SMX_SAR_CTL0, 0x00003f3f);
+
         db_debug3 = RREG32(DB_DEBUG3);
         db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
         switch (rdev->family) {
@@ -792,7 +795,7 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
                                           NUM_CLIP_SEQ(3)));
-
+        WREG32(VC_ENHANCE, 0);
 }
 
 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)