From 8424171e135ce956ed2473493b061909199572c7 Mon Sep 17 00:00:00 2001 From: Nick Hoath Date: Thu, 5 Feb 2015 10:47:20 +0000 Subject: [PATCH] drm/i915/gen9: h/w w/a: syncing dependencies between camera and graphics This one doesn't have one of these nice cryptic names unfortunately. v2: Added missing register bitmap Signed-off-by: Nick Hoath Reviewed-by: Damien Lespiau Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index cd3430f9..dab4c1e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6213,6 +6213,7 @@ enum skl_disp_power_wells { #define HALF_SLICE_CHICKEN3 0xe184 #define HSW_SAMPLE_C_PERFORMANCE (1<<9) #define GEN8_CENTROID_PIXEL_OPT_DIS (1<<8) +#define GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC (1<<5) #define GEN8_SAMPLER_POWER_BYPASS_DIS (1<<1) /* Audio */ diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 248db51..909430f 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -882,6 +882,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE); + /* Syncing dependencies between camera and graphics */ + WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, + GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC); + if (INTEL_REVID(dev) == SKL_REVID_A0) { /* * WaDisableDgMirrorFixInHalfSliceChicken5:skl -- 2.7.4