[Intel-gfx] [PATCH 1/3] drm/i915: clarify IBX dp workaround

[Chris Wilson]

On Wed, 30 May 2012 12:31:56 +0200, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> Instead of checking for !CPT, check for IBX to make it clearer that
> this is a IBX-specific workaround. No functional change because we
> smash the PPT PCH into the HAS_PCH_CPT check and atm DP isn't enabled
> on the haswell LPT PCH yet.
> 
> See Bspec Vol 3, Part 3, Section 4.[3-5].1 about DP[BCD], bit 30 for
> details of this workaround.
> 
> Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre