From: Ben Skeggs Date: Tue, 12 Jul 2011 05:42:45 +0000 (+1000) Subject: drm/nouveau: detect disabled device in irq handler and return IRQ_NONE X-Git-Tag: upstream/snapshot3+hdmi~9538^2~13^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9717f3d953f294bf416258f6b1f2d9512babd337;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git drm/nouveau: detect disabled device in irq handler and return IRQ_NONE Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 2ba7265..868c7fd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -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);