Please create a libcec-rpi package for fkms

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Please create a libcec-rpi package for fkms

Postby henkv » Sat Feb 20, 2021 7:01 pm

Hi,
kms does not work well on my RPI2 and RPI3b, so I need to use fkms. The latest update of libcec-rpi is for kms only. So after this update CEC stopped working in my system.
Can you please create a separate libcec-rpi package for fkms?
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Re: Please create a libcec-rpi package for fkms

Postby graysky » Sat Feb 20, 2021 7:14 pm

The problem is that upstream is not replying to queries about dual kms/fkms support. it seems to be a one-or-another at this point. You are free to build libcec-rpi for fkms functionality yourself until a solution can be found.

Reference to either-or in my commit: https://github.com/archlinuxarm/PKGBUIL ... 6aeece4e06

If you want to build your own package, simply take the following, bump the pkgrel to match the repo, and build/install: https://github.com/archlinuxarm/PKGBUIL ... i/PKGBUILD

As an aside, what about kms isn't working for you?
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Re: Please create a libcec-rpi package for fkms

Postby henkv » Sun Feb 21, 2021 8:28 am

When I use kms, I get glitches and flickering when playing videos on Kodi. I don't have this issue when I use fkms.
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Re: Please create a libcec-rpi package for fkms

Postby graysky » Sun Feb 21, 2021 11:31 am

$this->bbcode_second_pass_quote('henkv', 'W')hen I use kms, I get glitches and flickering when playing videos on Kodi. I don't have this issue when I use fkms.


Is that true under the latest kernel version?
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Re: Please create a libcec-rpi package for fkms

Postby henkv » Sun Feb 21, 2021 11:50 am

Yes, it is a fully updated system (RPI3b) with kernel 5.10.16-3-ARCH and kodi-rpi 19.0-1.
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Re: Please create a libcec-rpi package for fkms

Postby graysky » Sun Feb 21, 2021 12:09 pm

OK. Your best option is what I outlined above (compile your own). The good news is that changes to this particular package are extremely rare (>1 year between substantive changes and >3 years for actual kodi requirements).

Meanwhile watch open ticket. Upstream has not commented though.
https://github.com/Pulse-Eight/libcec/issues/543
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Re: Please create a libcec-rpi package for fkms

Postby henkv » Mon Feb 22, 2021 12:04 pm

I found out that when I change the PRIME render method to EGL, the flickering is gone. Al least on my RPI3b. I will test the RPI2 later.
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Re: Please create a libcec-rpi package for fkms

Postby graysky » Mon Feb 22, 2021 12:33 pm

Direct to Plane is the default. Have not used models other than RPi4B these days.
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