[PATCH 00/10 v2] fix gmbus writes and related issues
daniel at ffwll.ch
Sat Mar 24 12:33:08 PDT 2012
On Sun, Mar 18, 2012 at 07:22:05PM +0100, Daniel Vetter wrote:
> On Sat, Mar 10, 2012 at 02:48:14AM +0800, Daniel Kurtz wrote:
> > This patchset addresses a couple of issues with the i915 gmbus implementation:
> > * fixes misassigned pin port pair for HDMI-D
> > * fixes write transactions when they are the only transaction requested
> > (including large >4-byte writes) by terminating every transaction with a
> > WAIT cycle.
> > * returns -ENXIO and -ETIMEDOUT as appropriate so upper layers can handled
> > i2c transaction failures
> > * optimizes the typical read transaction case by using the INDEX cycle
> > * turns on the GMBUS interrupt whenever possible to dramatically improve
> > throughput by eliminating the very slow polling loop.
> > The patchset should apply cleanly onto linus/master.
> > It is inspired by, but completely supercedes, a similar patch submitted
> > recently by Benson Leung (bleung at chromium.org).
> > I'd be happy to rebase on a different tree if necessary.
> > v2 of the patchset address review comments from Chris Wilson (thanks for the
> > review, Chris!), and adds the interrupt patch. There weren't any review
> > comments for patches 5, 7, or 8 of the first set. Hopefully they will get
> > more love the second time around :).
> Oops, still catching up - I've commented on the first thread. Please
> resubmit on top of drm-intel-next-queued and I'll have a look. Also,
> please cc me so I don't miss them.
I've pushed aout a few more changes to intel_i2c.c in my
drm-intel-next-queued branch. Generally I like these patches, so please
rebase and resubmit.
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48
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