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drm/i915/gen9: Implement WaDisableKillLogic for gen 9

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v2: Patch leakage fixed

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Nick Hoath 2015-07-14 14:41:15 +01:00 committed by Daniel Vetter
parent 346add7834
commit 6381b55016
2 changed files with 5 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -160,6 +160,7 @@
#define GAM_ECOCHK 0x4090
#define BDW_DISABLE_HDC_INVALIDATION (1<<25)
#define ECOCHK_SNB_BIT (1<<10)
#define ECOCHK_DIS_TLB (1<<8)
#define HSW_ECOCHK_ARB_PRIO_SOL (1<<6)
#define ECOCHK_PPGTT_CACHE64B (0x3<<3)
#define ECOCHK_PPGTT_CACHE4B (0x0<<3)

4
drivers/gpu/drm/i915/intel_pm.c
View File

@ -59,6 +59,10 @@ static void gen9_init_clock_gating(struct drm_device *dev)
/* WaEnableLbsSlaRetryTimerDecrement:skl */
I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) |
GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
/* WaDisableKillLogic:bxt,skl */
I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
ECOCHK_DIS_TLB);
}
static void skl_init_clock_gating(struct drm_device *dev)