[PATCH 0/4] drm/edid: Recognize 60Hz and 59.94Hz CEA modes

Ville Syrjälä ville.syrjala at linux.intel.com
Thu Apr 18 08:31:30 PDT 2013


On Wed, Apr 17, 2013 at 05:38:57PM -0300, Paulo Zanoni wrote:
> 2013/4/17  <ville.syrjala at linux.intel.com>:
> > This series attempts to make our CEA mode matching recognize both the
> > 60Hz and 59.94Hz variants of the modes (and similarly for 24/23.97,
> > 30/29.97, etc.).
> >
> > The benefits should include:
> > - Send the correct VIC in the AVI infoframe
> > - Pick the correct RGB quantization range in automatic mode
> 
> Everything looks correct, but I really didn't test anything. If you
> apply my comments from patch 2, then you have "Reviewed-by: Paulo
> Zanoni <paulo.r.zanoni at intel.com>" for all the 4 patches.

Thanks for the review.

> 
> Optional bikeshedding: you could add a follow-up patch fixing the
> comments inside edid_cea_modes to reflect the correct Hz used,
> replacing, for example, "AxB at 60Hz" with "AxB at 59.94Hz". But I can
> certainly live without this :)

I think I'll defer on that one until we decide whether we want add
both 60Hz and 59.94HZ versions to the connector's mode list. Daniel
suggested we do it, but I disagree slightly since CEA-861 says that
monitors should only advertise one variant in their detailed timings.
I was thinking that we'd follow that rule here as well. But I can
be easily convinced otherwise, in case someone else has an
opinion...

-- 
Ville Syrjälä
Intel OTC


More information about the dri-devel mailing list