[Intel-gfx] [PATCH] drm/i915: Kill the active list spinlock

Chris Wilson chris at chris-wilson.co.uk
Sat Aug 7 00:04:03 CEST 2010

On Fri, 06 Aug 2010 14:41:02 -0700, Eric Anholt <eric at anholt.net> wrote:
> On Wed,  4 Aug 2010 14:09:45 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > This spinlock only served debugging purposes in a time when we could not
> > be sure of the mutex ever being released upon a GPU hang. As we now
> > should be able rely on hangcheck to do the job for us (and that error
> > reporting should not itself require the struct mutex) we can kill the
> > incomplete and misleading attempt at protection.
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> So, when am I getting hangcheck resets on Ironlake?  Hmm?

I suppose you'll want a more sophisticated watchdog using GPU timers, as
well ;-)

Yes, we should sort out the reset bits for ILK and the rest.
Chris Wilson, Intel Open Source Technology Centre

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