[PATCH] video: rockchip: Add missing dpcd_write() call to link_train_ce()

Alper Nebi Yasak alpernebiyasak at gmail.com
Tue Oct 13 17:00:37 CEST 2020


On 12/10/2020 06:34, Simon Glass wrote:
> On Tue, 6 Oct 2020 at 14:40, Alper Nebi Yasak <alpernebiyasak at gmail.com> wrote:
>>
>> Found this by comparing it to the coreboot driver, a form of this call
>> was introduced there in their commit b9a7877568cf ("rockchip/*: refactor
>> edp driver"). This is copy-pasted from U-Boot's link_train_cr() slightly
>> above it.
>>
>> Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
> 
> Reviewed-by: Simon Glass <sjg at chromium.org>

Simon, I noticed the coreboot driver is GPL-2.0-only, but the U-Boot
driver is GPL-2.0+, is that a problem for this patch?

They also seem to be almost the same especially in their earlier
revisions (even had the same typos in some comments). It could be good
to sync the two drivers to pick improvements from it e.g. support for
rk3399 (though there's an RFC series for that [1]), but the license
difference makes it difficult. Could the coreboot parts be relicensed to
GPL-2.0+ by Google and/or Rockchip? Alternatively, is it OK to change
the U-Boot one to GPL-2.0-only to sync things from coreboot?

[1] https://patchwork.ozlabs.org/project/uboot/list/?series=204229&state=*


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