[PATCH 01/41] drm/panel: simple: Change mode for Sharp lq123p1jx31

Doug Anderson dianders at chromium.org
Mon Mar 20 13:05:53 PDT 2017


Hi,

On Mon, Mar 20, 2017 at 1:01 PM, Stéphane Marchesin
<marcheu at chromium.org> wrote:
>> 1. We have validated with the panel manufacturer that 266.667 MHz is
>> valid and within spec.  The panel's datasheet itself says something
>> like "if you want to try other values you can, but they might not
>> work", so technically the only values "known" to work are those that
>> were in the original patch and the values here in Sean's patch.
>
>
> So why don't you add 2 modes, and let the drivers pick the clock they
> prefer?

Yeah, that's what I did originally in my RFC patch at
<http://crosreview.com/354165> but I personally didn't have a good way
for the driver to figure out how to pick the right clock.  When the
patch actually landed I guess nobody else had a good way either and
thus only one clock mode was there.

-Doug



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