diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 69852ac4018d..0e6490074011 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2566,6 +2566,14 @@ void intel_ring_init_seqno(struct intel_engine_cs *engine, u32 seqno) if (HAS_VEBOX(dev_priv)) I915_WRITE(RING_SYNC_2(engine->mmio_base), 0); } + if (dev_priv->semaphore_obj) { + struct drm_i915_gem_object *obj = dev_priv->semaphore_obj; + struct page *page = i915_gem_object_get_dirty_page(obj, 0); + void *semaphores = kmap(page); + memset(semaphores + GEN8_SEMAPHORE_OFFSET(engine->id, 0), + 0, I915_NUM_ENGINES * gen8_semaphore_seqno_size); + kunmap(page); + } memset(engine->semaphore.sync_seqno, 0, sizeof(engine->semaphore.sync_seqno)); |