diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:32:54 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:33:03 +0100 |
| commit | ef15eda98217f5183f457e7a2de8b79555ef908b (patch) | |
| tree | f8f22b48f7bb237c9aa6646175f3e17eeac4af0e /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 5cb4ac3a583d4ee18c8682ab857e093c4a0d0895 (diff) | |
| parent | ef334a20d84f52407a8a2afd02ddeaecbef0ad3d (diff) | |
Merge branch 'x86/cleanups' into perf/uprobes
Merge reason: We want to merge a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 1ab842c6032..536191540b0 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -301,7 +301,7 @@ static int init_ring_common(struct intel_ring_buffer *ring) I915_WRITE_CTL(ring, ((ring->size - PAGE_SIZE) & RING_NR_PAGES) - | RING_REPORT_64K | RING_VALID); + | RING_VALID); /* If the head is still not zero, the ring is dead */ if ((I915_READ_CTL(ring) & RING_VALID) == 0 || @@ -1132,18 +1132,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n) struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; unsigned long end; - u32 head; - - /* If the reported head position has wrapped or hasn't advanced, - * fallback to the slow and accurate path. - */ - head = intel_read_status_page(ring, 4); - if (head > ring->head) { - ring->head = head; - ring->space = ring_space(ring); - if (ring->space >= n) - return 0; - } trace_i915_ring_wait_begin(ring); if (drm_core_check_feature(dev, DRIVER_GEM)) |