[Intel-gfx] [PATCH 11/12 v2] drm/i915: wait render timeout ioctl

[Ben Widawsky]

On Fri, 27 Apr 2012 09:44:55 +0100
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> On Thu, 26 Apr 2012 16:03:08 -0700, Ben Widawsky <ben at bwidawsk.net>
> wrote:
> > +	mutex_unlock(&dev->struct_mutex);
> > +	ret = __wait_seqno(ring, seqno, true, &timeout);
> > +	drm_gem_object_unreference_unlocked(&obj->base);
> 
> Once we have the seqno to wait on, we can drop the reference to the
> object. The reference to the ring will be persist whilst the device is
> open. Just saves doing an unsightly unlock/lock dance in the unref.
> -Chris
> 

Got it, thanks.