[Intel-gfx] [PATCH] drm: Assert correct locking for drm_send_vblank_event

[Daniel Vetter]

On Fri, Sep 12, 2014 at 04:23:29PM +0100, Chris Wilson wrote:
> On Fri, Sep 12, 2014 at 03:40:56PM +0200, Daniel Vetter wrote:
> > The comment says that the caller must hold the dev->event_lock
> > spinlock, so let's enforce this.
> > 
> > A quick audit over all driver shows that except for the one place in
> > i915 which motivated this all callers fullfill this requirement
> > already.
> 
> Replace the rogue WARN_ON_SMP(!spin_is_locked(&dev->event_lock)) in
> send_vblank_event() as well then.

Meh, I've missed that one, that's actually better I think. I'll drop my
patch here.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch