diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 4058d6f66f5aaacfe26d463daf901c75cfe1196f..8a729c95e80eed736d258bcf3b2ce70bd4c66c74 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6106,6 +6106,7 @@ enum skl_disp_power_wells { #define FF_SLICE_CS_CHICKEN2 _MMIO(0x20e4) #define GEN9_TSG_BARRIER_ACK_DISABLE (1<<8) +#define GEN9_POOLED_EU_LOAD_BALANCING_FIX_DISABLE (1<<10) #define GEN9_CS_DEBUG_MODE1 _MMIO(0x20ec) #define GEN9_CTX_PREEMPT_REG _MMIO(0x2248) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 110c7fc957b7858e00bd277c37518ad2820d2810..fedd270498140945d6b4167c8b2844833b46e2a1 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1160,6 +1160,12 @@ static int bxt_init_workarounds(struct intel_engine_cs *engine) WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE); + /* WaDisablePooledEuLoadBalancingFix:bxt */ + if (IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER)) { + WA_SET_BIT_MASKED(FF_SLICE_CS_CHICKEN2, + GEN9_POOLED_EU_LOAD_BALANCING_FIX_DISABLE); + } + /* WaDisableSbeCacheDispatchPortSharing:bxt */ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0)) { WA_SET_BIT_MASKED(