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

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

drm: i915: Fix 'sequence has passed' condition in i915_vblank_swap().
Signed-off-by: N Dave Airlie <airlied@linux.ie>
2dbb232c · =?utf-8?q?Michel_D=C3=A4nzer?= · airlied · 376642cf · 2dbb232c
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drivers/char/drm/i915_irq.c drivers/char/drm/i915_irq.c +1 -1

未找到文件。
--- 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);