From: Ben Widawsky Date: Sun, 3 Nov 2013 04:07:55 +0000 (-0700) Subject: drm/i915/bdw: BWGTLB clock gate disable X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4afe8d3347d69af7bc606fafad134885ed1544e2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/i915/bdw: BWGTLB clock gate disable Signed-off-by: Ben Widawsky Reviewed-by: Jesse Barnes Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f5701ff8847d..b87945d5dceb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -660,6 +660,7 @@ #define ARB_MODE_SWIZZLE_SNB (1<<4) #define ARB_MODE_SWIZZLE_IVB (1<<5) #define GAMTARBMODE 0x04a08 +#define ARB_MODE_BWGTLB_DISABLE (1<<9) #define ARB_MODE_SWIZZLE_BDW (1<<1) #define RENDER_HWS_PGA_GEN7 (0x04080) #define RING_FAULT_REG(ring) (0x4094 + 0x100*(ring)->id) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 6d186757dc33..8249be5f83fc 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5286,6 +5286,8 @@ static void gen8_init_clock_gating(struct drm_device *dev) /* FIXME(BDW): Check all the w/a, some might only apply to * pre-production hw. */ + I915_WRITE(GAMTARBMODE, _MASKED_BIT_ENABLE(ARB_MODE_BWGTLB_DISABLE)); + /* WaSwitchSolVfFArbitrationPriority */ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);