diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 461b9befa776..a071b1062e30 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1043,6 +1043,7 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring) { struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t tmp; gen9_init_workarounds(ring); @@ -1058,8 +1059,10 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring) } /* WaForceContextSaveRestoreNonCoherent:bxt */ - WA_SET_BIT_MASKED(HDC_CHICKEN0, - HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT); + tmp = HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT; + if (INTEL_REVID(dev) >= BXT_REVID_B0) + tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE; + WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp); return 0; } |