From 0bf059f3532bb39c52d917142206a8554fc2f1c5 Mon Sep 17 00:00:00 2001 From: Oscar Mateo Date: Fri, 25 May 2018 15:05:32 -0700 Subject: [PATCH] drm/i915/icl: WaEnableFloatBlendOptimization Enables blend optimization for floating point RTs v2: Rebased on top of the WA refactoring v3: Added References (Mika) References: HSDES#1406393558 Cc: Mika Kuoppala Signed-off-by: Oscar Mateo Reviewed-by: Mika Kuoppala Signed-off-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/1527285939-20113-5-git-send-email-oscar.mateo@intel.com --- drivers/gpu/drm/i915/i915_reg.h | 3 +++ drivers/gpu/drm/i915/intel_workarounds.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 6e88c6bf3911..f123c3e821fc 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2663,6 +2663,9 @@ enum i915_power_well_id { #define GEN8_4x4_STC_OPTIMIZATION_DISABLE (1<<6) #define GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE (1<<1) +#define GEN10_CACHE_MODE_SS _MMIO(0xe420) +#define FLOAT_BLEND_OPTIMIZATION_ENABLE (1 << 4) + #define GEN6_BLITTER_ECOSKPD _MMIO(0x221d0) #define GEN6_BLITTER_LOCK_SHIFT 16 #define GEN6_BLITTER_FBC_NOTIFY (1<<3) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 33a1a0cd2a84..e9c00b004c09 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -479,6 +479,9 @@ static int icl_ctx_workarounds_init(struct drm_i915_private *dev_priv) WA_SET_BIT_MASKED(GEN11_COMMON_SLICE_CHICKEN3, GEN11_BLEND_EMB_FIX_DISABLE_IN_RCC); + /* WaEnableFloatBlendOptimization:icl */ + WA_SET_BIT_MASKED(GEN10_CACHE_MODE_SS, FLOAT_BLEND_OPTIMIZATION_ENABLE); + return 0; } -- GitLab