Re: [PATCH] drm/i915: Use a global lock for modifying global irq flags

Daniel Vetter
2012-04-25T08:20:33Z

On Tue, Apr 24, 2012 at 02:05:25PM -0700, Ben Widawsky wrote:
> On Tue, 24 Apr 2012 21:48:47 +0100
> Chris Wilson <chris@chris-wilson.co.uk> wrote:
>
> > We were attempting to use a per-ring spinlock whilst modifying global
> > IRQ flags. A recipe for rare missed interrupts.
> >
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
>
> Regardless of whether or not this currently fixes anything, I need this
> for an upcoming patch.
>
> Acked-by: Ben Widawsky <ben@bwidawsk.net>
Queued for -next, thanks for the patch.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
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