diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e1a1bb71896..2b9e66c0c6c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5001,6 +5001,7 @@ #define GEN7_HALF_SLICE_CHICKEN1 0xe100 /* IVB GT1 + VLV */ #define GEN7_HALF_SLICE_CHICKEN1_GT2 0xf100 #define GEN7_MAX_PS_THREAD_DEP (8<<12) +#define GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE (1<<10) #define GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE (1<<3) #define GEN7_ROW_CHICKEN2 0xe4f4 diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ccd1b88bc24..0a07d7c9caf 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5300,6 +5300,9 @@ static void gen8_init_clock_gating(struct drm_device *dev) I915_WRITE(COMMON_SLICE_CHICKEN2, _MASKED_BIT_ENABLE(GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE)); + I915_WRITE(GEN7_HALF_SLICE_CHICKEN1, + _MASKED_BIT_ENABLE(GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE)); + /* WaSwitchSolVfFArbitrationPriority */ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL); |