From 9f46c6935d154743162c6239903a4a9e443907bc Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 6 Jun 2008 12:59:52 -0700
Subject: [intel-gem] Use timers to retire requests periodically.

Without the user IRQ running constantly, there's no wakeup when the ring
empties to go retire requests and free buffers. Use a 1 second timer to make
that happen more often.
---
 linux-core/drm_irq.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'linux-core/drm_irq.c')

diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c
index 8f27d7f3..318d9d7a 100644
--- a/linux-core/drm_irq.c
+++ b/linux-core/drm_irq.c
@@ -124,6 +124,7 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs)
 
 	setup_timer(&dev->vblank_disable_timer, vblank_disable_fn,
 		    (unsigned long)dev);
+	init_timer_deferrable(&dev->vblank_disable_timer);
 	spin_lock_init(&dev->vbl_lock);
 	atomic_set(&dev->vbl_signal_pending, 0);
 	dev->num_crtcs = num_crtcs;
-- 
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