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author=?utf-8?q?Michel_D=C3=A4nzer?= <michel@tungstengraphics.com>2006-10-25 00:10:59 +1000
committerairlied <airlied@linux.ie>2006-12-07 15:53:30 +1100
commit21fa60ed4eab5b3b28d05930bb086615ecc191b1 (patch)
tree05176d5be3e7e99e36a04bff99fb766ed68df676 /drivers/char/drm/i915_irq.c
parent2dbb232c4d6b6c89fc367f7566c7c87dd3b56cd7 (diff)
drm: i915: Only return EBUSY after we've established we need to schedule a new swap.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/i915_irq.c')
-rw-r--r--drivers/char/drm/i915_irq.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
index df28bc1e84c6..40c55edfa2ee 100644
--- a/drivers/char/drm/i915_irq.c
+++ b/drivers/char/drm/i915_irq.c
@@ -392,11 +392,6 @@ int i915_vblank_swap(DRM_IOCTL_ARGS)
return DRM_ERR(EINVAL);
}
- if (dev_priv->swaps_pending >= 100) {
- DRM_DEBUG("Too many swaps queued\n");
- return DRM_ERR(EBUSY);
- }
-
DRM_COPY_FROM_USER_IOCTL(swap, (drm_i915_vblank_swap_t __user *) data,
sizeof(swap));
@@ -461,6 +456,11 @@ int i915_vblank_swap(DRM_IOCTL_ARGS)
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
+ if (dev_priv->swaps_pending >= 100) {
+ DRM_DEBUG("Too many swaps queued\n");
+ return DRM_ERR(EBUSY);
+ }
+
vbl_swap = drm_calloc(1, sizeof(vbl_swap), DRM_MEM_DRIVER);
if (!vbl_swap) {