drm/i915: Retire requests from i915_gem_busy_ioctl.
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>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 58c789d..8b50d48 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2872,6 +2872,13 @@
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