[Intel-gfx] [PATCH] drm/edid: Reduce horizontal timings for pixel replicated modes

Daniel Vetter daniel at ffwll.ch
Tue Aug 26 10:11:07 CEST 2014


On Tue, Aug 26, 2014 at 10:10:09AM +0200, Daniel Vetter wrote:
> On Tue, Aug 19, 2014 at 02:21:21PM -0700, clinton.a.taylor at intel.com wrote:
> > From: Clint Taylor <clinton.a.taylor at intel.com>
> > 
> > Pixel replicated modes should be 720 horizontal pixel and pixel
> > replicated by the HW across the HDMI cable at 2X pixel clock. Current
> > horizontal resolution of 1440 does not allow pixel duplication to
> > occur and scaling artifacts occur on the TV. HDMI certification
> > 7-26 currently fails for all pixel replicated modes. This change fizes
> > the HDMI certification issues with 480i/576i.
> > 
> > V2: Removed interlace flag from VICs 44 and 45. Will be submitted in
> > another patch. Various other formatting fixes.
> > 
> > V3: 576i at 200 htotal fixed. Check min and max pixel clocks.
> > 
> > Signed-off-by: Clint Taylor <clinton.a.taylor at intel.com>
> > ---
> >  drivers/gpu/drm/drm_edid.c        |   96 ++++++++++++++++++-------------------
> >  drivers/gpu/drm/i915/intel_hdmi.c |   15 ++++--
> 
> Still plea to split out the i915 change.

Also it's good practice to add all the people who commented on earlier
versions of this patch to the in-patch Cc: list. So Ville should be here
for this one.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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