[Intel-gfx] [PATCH] drm/i915: fix sdvo hotplug support check and activation

Daniel Vetter daniel at ffwll.ch
Mon Sep 3 09:38:50 CEST 2012


On Wed, Aug 29, 2012 at 03:12:37PM +0100, Simon Farnsworth wrote:
> On Wednesday 29 August 2012 16:43:58 Jani Nikula wrote:
> > The sdvo hotplug support check and activation has worked by coincidence for
> > TMDS0. The boolean value returned by intel_sdvo_supports_hotplug() was
> > masked with a bit shifted by device number, which also should have been one
> > of SDVO_OUTPUT_* bits instead. Boolean true masked with 1 shifted by 0 just
> > happened to match SDVO_OUTPUT_TMDS0...
> > 
> > Get hotplug support as a bit mask, check the correct bits for support, and
> > use the correct bits for activating hotplug support.
> > 
> > Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> > 
> Reviewed-by: Simon Farnsworth <simon.farnsworth at onelan.com>
Queued for -next (together with a duplicate of the bugfix to avoid merge
hassles), thanks for the patch.
-Daniel
> 
> The code you're fixing was written with the aid of ajax's educated guesses - 
> it's nice to see an Intel employee fix it to match the spec.
> -- 
> Simon Farnsworth
> Software Engineer
> ONELAN Ltd
> http://www.onelan.com

-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48



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