diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_workarounds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_workarounds.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index b1ab56a1ec31..24b929ce3341 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -666,6 +666,19 @@ static void kbl_gt_workarounds_apply(struct drm_i915_private *dev_priv) I915_WRITE(GEN9_GAMT_ECO_REG_RW_IA, I915_READ(GEN9_GAMT_ECO_REG_RW_IA) | GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS); + + /* WaKBLVECSSemaphoreWaitPoll:kbl */ + if (IS_KBL_REVID(dev_priv, KBL_REVID_A0, KBL_REVID_E0)) { + struct intel_engine_cs *engine; + unsigned int tmp; + + for_each_engine(engine, dev_priv, tmp) { + if (engine->id == RCS) + continue; + + I915_WRITE(RING_SEMA_WAIT_POLL(engine->mmio_base), 1); + } + } } static void glk_gt_workarounds_apply(struct drm_i915_private *dev_priv) |