From 14bc16e3987863add16bae01e83eb8050af83ea6 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Wed, 21 Jan 2015 19:37:58 +0200 Subject: [PATCH] drm/i915: Implement Wa4x4STCOptimizationDisable:chv MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Wa4x4STCOptimizationDisable got only implemented for BDW, but according to the w/a database CHV needs it too, so add it. Signed-off-by: Ville Syrjälä Reviewed-by: Arun Siluvery Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index d7aa5c464d96..2a1a178153e1 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -851,6 +851,10 @@ static int chv_init_workarounds(struct intel_engine_cs *ring) */ WA_CLR_BIT_MASKED(CACHE_MODE_0_GEN7, HIZ_RAW_STALL_OPT_DISABLE); + /* Wa4x4STCOptimizationDisable:chv */ + WA_SET_BIT_MASKED(CACHE_MODE_1, + GEN8_4x4_STC_OPTIMIZATION_DISABLE); + /* Improve HiZ throughput on CHV. */ WA_SET_BIT_MASKED(HIZ_CHICKEN, CHV_HZ_8X8_MODE_IN_1X); -- 2.20.1