diff options
| -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 3d5d6b908148..6e2661e86d18 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -996,6 +996,10 @@ hsw_vebox_irq_enable(struct intel_engine_cs *engine) struct drm_i915_private *dev_priv = engine->i915; I915_WRITE_IMR(engine, ~engine->irq_enable_mask); + + /* Flush/delay to ensure the RING_IMR is active before the GT IMR */ + POSTING_READ_FW(RING_IMR(engine->mmio_base)); + gen6_unmask_pm_irq(dev_priv, engine->irq_enable_mask); } |