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drm/nouveau: detect disabled device in irq handler and return IRQ_NONE

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-12 15:42:45 +10:00
parent e19b20bbd2
commit 9717f3d953
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nouveau_irq.c
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@ -79,7 +79,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
int i;
stat = nv_rd32(dev, NV03_PMC_INTR_0);
if (!stat)
if (stat == 0 || stat == ~0)
return IRQ_NONE;
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);