diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index d07c6a9e7b40..6f5b511bdb5d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -981,6 +981,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) /* WaDisableSTUnitPowerOptimization:skl,bxt */ WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE); + /* WaOCLCoherentLineFlush:skl,bxt */ + I915_WRITE(GEN8_L3SQCREG4, (I915_READ(GEN8_L3SQCREG4) | + GEN8_LQSC_FLUSH_COHERENT_LINES)); + /* WaEnablePreemptionGranularityControlByUMD:skl,bxt */ ret= wa_ring_whitelist_reg(ring, GEN8_CS_CHICKEN1); if (ret) |