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drm: i915: Only return EBUSY after we've established we need to schedule a new swap.

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Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
=?utf-8?q?Michel_D=C3=A4nzer?= 2006-10-25 00:10:59 +10:00 committed by airlied
parent 2dbb232c4d
commit 21fa60ed4e
1 changed files with 5 additions and 5 deletions
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10
drivers/char/drm/i915_irq.c
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@ -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) {