Re: drm/bridge: Synopsys DW-HDMI bridge driver for the Ingenic JZ4780 (was Re: Specialising the Synopsys DW-HDMI bridge driver for the Ingenic JZ4780)

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Hi Ezequiel,

> Am 27.08.2020 um 09:21 schrieb H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>:
> 
> Hi Ezequiel,
> 
>> Am 24.08.2020 um 19:38 schrieb Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>:
>> 
>> On Mon, 24 Aug 2020 at 13:05, H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> wrote:
>>> 
>>> Hi Ezequiel,
>> 
>> The fix is just re-organizing the code a bit. Just pushed a possible
>> fix for that (following the IPU handling by Paul Cercueil),
>> please feel free to test this:
>> 
>> https://gitlab.collabora.com/linux/0day/-/commits/jz4780-drm-hdmi-module-fix-v5.9-rc2
> 
> Works well (after doing a minor fix to the CI20 defconfig)!
> 
>> 
>> FWIW, my test setup uses mainline vanilla U-Boot v2020.07.
>> The kernel is loaded via TFTP. Debian mipsel is mounted via NFS
>> (which means dm9000 works). I'm testing with weston and modetest.
>> 
>> Note that enabling DRM_INGENIC_IPU will make the driver
>> fail to load, as the IPU is not optional (and not present on ci20.dts).
>> A minor thing to fix.
>> 
>> Cheers,
>> Ezequiel
>> 
>>> And it seems to differ significantly from what Paul has developed recently
>>> to make it work. It seems to be quite lucky that we have a working setup now :)
>>> 
>>>> Nikolaus, Paul: Do you have plans to submit these?
>>> 
>>> Yes, as soon as we are sure that it works (and when it doesn't).
>>> 
>>> But thanks to your work it is now much easier to improve things, since we
>>> are no longer looking for a break-through but just have to avoid regressions.
>>> 
>>>> If not, I'll be happy to get them out the door for review.
>>> 
>>> Let it mature a little first and have it tested on more setups and rebased
>>> to mainline v5.9-rc2 :)
> 
> 
>> Am 24.08.2020 um 23:11 schrieb Paul Cercueil <paul@xxxxxxxxxxxxxxx>:
>> 
>> DRM drivers follow their own schedule, you should rebase to drm-misc-next instead.
>> 
> 
> With the comment from Paul, I think it is best if you push them for review.
> 
> My patch set based on v5.9-rc2 is here (including one EFUSE patch which I have
> included only for making my Ethernet interface work for testing):
> 
> https://git.goldelico.com/?p=letux-kernel.git;a=shortlog;h=refs/heads/letux/jz4780-hdmi-v5
> 
> Please take it, do the required squashes and rebasing and post them for discussion to the
> appropriate lists.

I hope you are well. Do you plan to do the squash and rebase and posts?

BR and thanks,
Nikolaus

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