[PATCH v2 0/5] Add R8A77970/V3MSK LVDS/HDMI support

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Fri Mar 2 02:29:56 PST 2018


On 3/2/2018 1:21 PM, Simon Horman wrote:

>>>>>>> Here's the set of 5 patches against Simon Horman's 'renesas.git' repo's
>>>>>>> 'renesas-devel-20180227-v4.16-rc3' tag. We're adding the R8A77970 FCPVD/VSPD/
>>>>>>> DU/LVDS device nodes and then describing the HDMI encoder connected to the LVDS
>>>>>>> output (we're omitting the LVDS decoder for now). These patches depend on
>>>>>>> the recent R8A77970 DU/LVDS rework patches by Laurent in order to work...	
>>>>>>
>>>>>>     Need to mention that the DU driver silently fails to probe now. I do
>>>>>>     hope that this is not due to my updates. :-)
>>>>>
>>>>> Please test that theory.
>>>>
>>>>     Yeah, after sucking in the recent versions of the DU/LVDS patches and uncommenting
>>>> and fixing rejects in a couple patches here, the graphical console works again. :-)
>>>
>>> Ok, but does this patchset cause a regression? If so it seems
>>
>>      Sorry, somehow missed that question. No regression is possible as the display just
>> doesn't work before these patches are applied. It's just that it doesn't start to work
>> until the recent DU/LVDS driver updates are applied.
> 
> Ok, but my question remains: does the display work before these patches?

    No, there are no FCPVD/VSPD/DU/LVDS device nodes in R8A77970 TDs.

MBR, Sergei



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