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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-28 09:24:13 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-30 10:35:55 +0100
commitf4adcd247766e5b914f861ed143ff328f869bf80 (patch)
tree3f6be670d9323e5e36eb9516a9e2ec82380f9f34 /drivers/gpu
parentddb642fb0566758ace34384538720db0e24bcd4c (diff)
drm/i915: handle faked missed interrupts as simulated hangs, too
Otherwise QA will report this as a real hang when running igt ZZ_missed_irq. v2: Actually test the right stuff and really shut up the DRM_ERROR output ... Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70747 Tested-by: lu hua <huax.lu@intel.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 1a7dc7754e2f..68936da7c25d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2258,8 +2258,12 @@ static void i915_hangcheck_elapsed(unsigned long data)
if (waitqueue_active(&ring->irq_queue)) {
/* Issue a wake-up to catch stuck h/w. */
if (!test_and_set_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings)) {
- DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
- ring->name);
+ if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring)))
+ DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
+ ring->name);
+ else
+ DRM_INFO("Fake missed irq on %s\n",
+ ring->name);
wake_up_all(&ring->irq_queue);
}
/* Safeguard against driver failure */