From: Chia-I Wu <olv@xxxxxxxxxx> The optimization helps IVB too. No piglit regression. Signed-off-by: Chia-I Wu <olv@xxxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index c535e5c..58aba3e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4881,6 +4881,10 @@ static void ivybridge_init_clock_gating(struct drm_device *dev) /* WaVSRefCountFullforceMissDisable:ivb */ gen7_setup_fixed_func_scheduler(dev_priv); + /* enable HiZ Raw Stall Optimization */ + I915_WRITE(CACHE_MODE_0_GEN7, + _MASKED_BIT_DISABLE(HIZ_RAW_STALL_OPT_DISABLE)); + /* WaDisable4x2SubspanOptimization:ivb */ I915_WRITE(CACHE_MODE_1, _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE)); -- 1.8.3.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
