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| author | Olof Johansson <olof@lixom.net> | 2012-03-08 09:27:07 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-03-08 09:27:07 -0800 |
| commit | a58f67e70a6cad021ceebd1c8919b898dd5d5de3 (patch) | |
| tree | 78cb630cb31a8cbec17463f9acc0f766707c232f /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 4c6c826b22da9f6408b6bc6939a92aa0be838488 (diff) | |
| parent | 46e446db4fb2cdb2f1bc69d3981fa23738a42835 (diff) | |
| download | op-kernel-dev-a58f67e70a6cad021ceebd1c8919b898dd5d5de3.zip op-kernel-dev-a58f67e70a6cad021ceebd1c8919b898dd5d5de3.tar.gz | |
Merge branch 'dt' of git://github.com/hzhuang1/linux into next/dt
* 'dt' of git://github.com/hzhuang1/linux: (6 commits)
Document: devicetree: add OF documents for arch-mmp
ARM: dts: append DTS file of pxa168
ARM: mmp: append OF support on pxa168
ARM: mmp: enable rtc clk in pxa168
i2c: pxa: add OF support
serial: pxa: add OF support
(plus update to v3.3-rc6)
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 1ab842c..5361915 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)) |
