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drm/i915: Retire requests from i915_gem_busy_ioctl.

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This ensures that the user gets the latest information from the hardware
on whether the buffer is busy, potentially reducing the working set of objects
that the user chooses.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Eric Anholt 2009-02-18 09:44:56 -08:00 committed by Dave Airlie
parent 5669fcacc5
commit f21289b355
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/i915/i915_gem.c
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@ -2872,6 +2872,13 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
return -EBADF;
}
/* Update the active list for the hardware's current position.
* Otherwise this only updates on a delayed timer or when irqs are
* actually unmasked, and our working set ends up being larger than
* required.
*/
i915_gem_retire_requests(dev);
obj_priv = obj->driver_private;
/* Don't count being on the flushing list against the object being
* done. Otherwise, a buffer left on the flushing list but not getting