diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 279488addf3f..2faef2605e97 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -604,6 +604,8 @@ static int init_render_ring(struct intel_engine_cs *ring) struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; int ret = init_ring_common(ring); + if (ret) + return ret; /* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */ if (INTEL_INFO(dev)->gen >= 4 && INTEL_INFO(dev)->gen < 7) @@ -1397,6 +1399,9 @@ static int allocate_ring_buffer(struct intel_engine_cs *ring) if (obj == NULL) return -ENOMEM; + /* mark ring buffers as read-only from GPU side by default */ + obj->gt_ro = 1; + ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, PIN_MAPPABLE); if (ret) goto err_unref; @@ -1746,14 +1751,15 @@ int intel_ring_cacheline_align(struct intel_engine_cs *ring) void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno) { - struct drm_i915_private *dev_priv = ring->dev->dev_private; + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; BUG_ON(ring->outstanding_lazy_seqno); - if (INTEL_INFO(ring->dev)->gen >= 6) { + if (INTEL_INFO(dev)->gen == 6 || INTEL_INFO(dev)->gen == 7) { I915_WRITE(RING_SYNC_0(ring->mmio_base), 0); I915_WRITE(RING_SYNC_1(ring->mmio_base), 0); - if (HAS_VEBOX(ring->dev)) + if (HAS_VEBOX(dev)) I915_WRITE(RING_SYNC_2(ring->mmio_base), 0); } |
