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authorDave Airlie <airlied@redhat.com>2014-08-05 09:04:59 +1000
committerDave Airlie <airlied@redhat.com>2014-08-05 09:04:59 +1000
commit5d42f82a9b8c5168d75cf59307cd271feca94464 (patch)
treea7049189a2c814589b3ad7e6e776fb736f980967 /drivers/gpu/drm/i915/i915_irq.c
parentc759606c96dc052373d4c36ea383595da46b04e9 (diff)
parent19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff)
downloadop-kernel-dev-5d42f82a9b8c5168d75cf59307cd271feca94464.zip
op-kernel-dev-5d42f82a9b8c5168d75cf59307cd271feca94464.tar.gz
Merge tag 'v3.16' into drm-next
Linux 3.16 backmerge requested by i915, nouveau and radeon authors Conflicts: drivers/gpu/drm/i915/i915_gem_render_state.c drivers/gpu/drm/i915/intel_drv.h
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c11
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 b55b2b9..6ef9d6f 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3150,7 +3150,7 @@ 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++;
@@ -3162,15 +3162,12 @@ 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;
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