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drm/i915/icl: WaEnableFloatBlendOptimization

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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 <mika.kuoppala@linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1527285939-20113-5-git-send-email-oscar.mateo@intel.com
This commit is contained in:
Oscar Mateo 2018-05-25 15:05:32 -07:00 committed by Mika Kuoppala
parent b1f88820f4
commit 0bf059f353
2 changed files with 6 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_reg.h
View file

@ -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)

3
drivers/gpu/drm/i915/intel_workarounds.c
View file

@ -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;
}