From f3f32360b6d9e22ece894a4d49abdd2d9a82fe81 Mon Sep 17 00:00:00 2001 From: Michel Thierry Date: Thu, 4 Dec 2014 15:07:52 +0000 Subject: [PATCH] drm/i915/bdw: Add WaHdcDisableFetchWhenMasked MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We already have it for chv, but was missing for bdw. Signed-off-by: Michel Thierry Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_ringbuffer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 79b4ca5..f521015 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -766,9 +766,11 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring) * workaround for for a possible hang in the unlikely event a TLB * invalidation occurs during a PSD flush. */ + /* WaHdcDisableFetchWhenMasked:bdw */ /* WaDisableFenceDestinationToSLM:bdw (GT3 pre-production) */ WA_SET_BIT_MASKED(HDC_CHICKEN0, HDC_FORCE_NON_COHERENT | + HDC_DONOT_FETCH_MEM_WHEN_MASKED | (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0)); /* Wa4x4STCOptimizationDisable:bdw */ -- 2.7.4