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| author | David S. Miller <davem@davemloft.net> | 2014-07-31 00:25:49 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-31 00:25:49 +0400 |
| commit | f139c74a8df071217dcd63f3ef06ae7be7071c4d (patch) | |
| tree | 5711f695577a18a06dbcd0101956e97b388ffa1a /drivers/gpu/drm/i915/i915_irq.c | |
| parent | bd695a5f0ccf7b38982c426d86055ff3591c9b5b (diff) | |
| parent | 26bcd8b72563b4c54892c4c2a409f6656fb8ae8b (diff) | |
| download | linux-f139c74a8df071217dcd63f3ef06ae7be7071c4d.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 267f069765ad..c05c84f3f091 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2845,7 +2845,7 @@ static int semaphore_passed(struct intel_engine_cs *ring) { struct drm_i915_private *dev_priv = ring->dev->dev_private; struct intel_engine_cs *signaller; - u32 seqno, ctl; + u32 seqno; ring->hangcheck.deadlock++; @@ -2857,15 +2857,12 @@ static int semaphore_passed(struct intel_engine_cs *ring) if (signaller->hangcheck.deadlock >= I915_NUM_RINGS) return -1; - /* cursory check for an unkickable deadlock */ - ctl = I915_READ_CTL(signaller); - if (ctl & RING_WAIT_SEMAPHORE && semaphore_passed(signaller) < 0) - return -1; - if (i915_seqno_passed(signaller->get_seqno(signaller, false), seqno)) return 1; - if (signaller->hangcheck.deadlock) + /* cursory check for an unkickable deadlock */ + if (I915_READ_CTL(signaller) & RING_WAIT_SEMAPHORE && + semaphore_passed(signaller) < 0) return -1; return 0; |