From: =?utf-8?q?Michel_D=C3=A4nzer?= Date: Tue, 24 Oct 2006 14:10:59 +0000 (+1000) Subject: drm: i915: Only return EBUSY after we've established we need to schedule a new swap. X-Git-Tag: firefly_0821_release~31904^2~20^2~5 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=21fa60ed4eab5b3b28d05930bb086615ecc191b1;p=firefly-linux-kernel-4.4.55.git drm: i915: Only return EBUSY after we've established we need to schedule a new swap. Signed-off-by: Dave Airlie --- 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) {