[Intel-gfx] [PATCH] drm/i915/sdvo: Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC.
Daniel Vetter
daniel at ffwll.ch
Tue Jun 4 17:48:28 CEST 2013
On Tue, Jun 04, 2013 at 04:35:32PM +0100, Chris Wilson wrote:
> On Tue, Jun 04, 2013 at 05:13:21PM +0200, Egbert Eich wrote:
> > In intel_sdvo_get_lvds_modes() the wrong i2c adapter record is used
> > for DDC. Thus the code will always have to rely on a LVDS panel
> > mode supplied by VBT.
> > In most cases this succeeds, so this didn't get detected for quite
> > a while.
> >
> > Signed-off-by: Egbert Eich <eich at suse.de>
>
> Good catch!
> Cc: stable at vger.kernel.org
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
Yeah, nice catch. If my history digging is correct this has been broken in
commit f899fc64cda8569d0529452aafc0da31c042df2e
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Tue Jul 20 15:44:45 2010 -0700
drm/i915: use GMBUS to manage i2c links
Patch merged with that note added, thanks.
-Daniel
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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