于 2019年10月3日 GMT+08:00 下午9:19:16, Maxime Ripard <mrip...@kernel.org> 写到:
>On Thu, Oct 03, 2019 at 12:38:43PM +0530, Jagan Teki wrote:
>> On Tue, Oct 1, 2019 at 1:33 PM Icenowy Zheng <icen...@aosc.io> wrote:
>> >
>> > This reverts commit da676c6aa6413d59ab0a80c97bbc273025e640b2.
>> >
>> > The original commit adds a start parameter to the calculation of
>the
>> > start delay according to some old BSP versions from Allwinner.
>However,
>> > there're two ways to add this delay -- add it in DSI controller or
>add
>> > it in the TCON. Add it in both controllers won't work.
>> >
>> > The code before this commit is picked from new versions of BSP
>kernel,
>> > which has a comment for the 1 that says "put start_delay to tcon".
>By
>> > checking the sun4i_tcon0_mode_set_cpu() in sun4i_tcon driver, it
>has
>> > already added this delay, so we shouldn't repeat to add the delay
>in DSI
>> > controller, otherwise the timing won't match.
>>
>> Thanks for this change. look like this is proper reason for adding +
>> 1. also adding bsp code links here might help for future reference.
>>
>> Otherwise,
>>
>> Reviewed-by: Jagan Teki <ja...@amarulasolutions.com>
>
>The commit log was better in this one. I ended up merging this one,
>with your R-b.
Please note that Jagan's v11 3/7 is still needed.
>
>Maxime
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