diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index e05a0216cd9b..b106984c722a 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -663,14 +663,15 @@ gen6_add_request(struct intel_ring_buffer *ring) struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_ring_buffer *useless; - int i, ret; + int i, ret, num_dwords = 4; - ret = intel_ring_begin(ring, ((I915_NUM_RINGS-1) * - MBOX_UPDATE_DWORDS) + - 4); + if (i915_semaphore_is_enabled(dev)) + num_dwords += ((I915_NUM_RINGS-1) * MBOX_UPDATE_DWORDS); +#undef MBOX_UPDATE_DWORDS + + ret = intel_ring_begin(ring, num_dwords); if (ret) return ret; -#undef MBOX_UPDATE_DWORDS for_each_ring(useless, dev_priv, i) { u32 mbox_reg = ring->signal_mbox[i]; |