From: Eric Anholt Date: Wed, 18 Feb 2009 17:44:56 +0000 (-0800) Subject: drm/i915: Retire requests from i915_gem_busy_ioctl. X-Git-Tag: v2.6.29-rc6~2^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f21289b355cee8738d80c2ae5cbd272c3f7b5689;p=platform%2Fkernel%2Flinux-3.10.git 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 Signed-off-by: Dave Airlie --- 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 @@ 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