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path: root/drivers/gpu/drm/radeon/ni.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
-rw-r--r--drivers/gpu/drm/radeon/ni.c4
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);