Author: rnoland
Date: Tue Jun 23 17:38:28 2009
New Revision: 194741
URL: http://svn.freebsd.org/changeset/base/194741
Log:
Hold the lock while we save/restore register for suspend/resume.
MFC after: 3 days
Modified:
head/sys/dev/drm/i915_drv.c
Modified: head/sys/dev/drm/i915_drv.c
==============================================================================
--- head/sys/dev/drm/i915_drv.c Tue Jun 23 17:19:50 2009 (r194740)
+++ head/sys/dev/drm/i915_drv.c Tue Jun 23 17:38:28 2009 (r194741)
@@ -52,7 +52,10 @@ static int i915_suspend(device_t kdev)
return -ENODEV;
}
+ DRM_LOCK();
+ DRM_DEBUG("starting suspend\n");
i915_save_state(dev);
+ DRM_UNLOCK();
return (bus_generic_suspend(kdev));
}
@@ -61,7 +64,10 @@ static int i915_resume(device_t kdev)
{
struct drm_device *dev = device_get_softc(kdev);
+ DRM_LOCK();
i915_restore_state(dev);
+ DRM_DEBUG("finished resume\n");
+ DRM_UNLOCK();
return (bus_generic_resume(kdev));
}
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