[Intel-gfx] [PATCH 00/10] gmbus/dp aux irqfication

Daniel Vetter daniel at ffwll.ch
Wed Dec 5 11:59:59 CET 2012


On Tue, Dec 04, 2012 at 06:04:48PM +0200, Imre Deak wrote:
> On Sat, 2012-12-01 at 13:53 +0100, Daniel Vetter wrote:
> > Hi all,
> > 
> > Irq-drive gmbus/dp aux transfer, simply because we can (and at least in the case
> > of gmbus, it's quite a bit faster than the msleep(1) loop - we now reliably
> > transfer at full wire speed insteaf of sometimes 2-3x slower).
> > 
> > Compared to the older version I've floated on irc way back and which Chris has
> > carried around in his wip branchs (and inflicted upon tons of unsuspecting bug
> > reporters) there are a few differences:
> > - handle the hpd vs. setup race - even the current code enables hpd processing
> >   before the fbdev is set up, which is too early.
> > - fix the gen4 gmbus support, was totally busted.
> > - tested on hsw (although all the relevant bits are a 100% match with cpt/ivb).
> > - disable dp aux irq on vlv - too complicated to get at the docs (moved again,
> >   old access revoked) and I don't have the hw.
> > 
> > While reviewing this patch series I've also noticed two small things in the irq
> > handling code in general, patches for that at the beginning of the series.
> > 
> > Comment&review highgly welcome.
> 
> Looks good to me. On the series:
> Reviewed-by: Imre Deak <imre.deak at intel.com>

Thanks for the review, series merged.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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