drm/i915: Improve HiZ throughput on Cherryview.

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / intel_ringbuffer.c

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 12a36f0ca53d61e589d708d37e3791bfd4d8625e..dabc1d8d2ae3ce5ce1409978e85c4036afaa319c 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -836,6 +836,9 @@ static int chv_init_workarounds(struct intel_engine_cs *ring)
                          HDC_FORCE_NON_COHERENT |
                          HDC_DONOT_FETCH_MEM_WHEN_MASKED);
 
+       /* Improve HiZ throughput on CHV. */
+       WA_SET_BIT_MASKED(HIZ_CHICKEN, CHV_HZ_8X8_MODE_IN_1X);
+
        return 0;
 }