From: =?utf-8?q?Michel_D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Tue, 24 Oct 2006 14:10:24 +0000 (+1000)
Subject: drm: i915: Fix 'sequence has passed' condition in i915_vblank_swap().
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2dbb232c4d6b6c89fc367f7566c7c87dd3b56cd7;p=openwrt%2Fstaging%2Fblogic.git

drm: i915: Fix 'sequence has passed' condition in i915_vblank_swap().

Signed-off-by: Dave Airlie <airlied@linux.ie>
---

diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
index e9e46c41bf36..df28bc1e84c6 100644
--- a/drivers/char/drm/i915_irq.c
+++ b/drivers/char/drm/i915_irq.c
@@ -439,7 +439,7 @@ int i915_vblank_swap(DRM_IOCTL_ARGS)
 		swap.sequence += curseq;
 		break;
 	case _DRM_VBLANK_ABSOLUTE:
-		if ((curseq - swap.sequence) > (1<<23)) {
+		if ((curseq - swap.sequence) <= (1<<23)) {
 			spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
 			DRM_DEBUG("Missed target sequence\n");
 			return DRM_ERR(EINVAL);