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Groups > linux.debian.bugs.dist > #1038031

Bug#977438: Pls. consider raspi-related configs for kernel 5.10

From Lucas Nussbaum <lucas@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.ports.arm, linux.debian.kernel
Subject Bug#977438: Pls. consider raspi-related configs for kernel 5.10
Date 2020-12-17 11:40 +0100
Message-ID <BmYRr-1Bp-1@gated-at.bofh.it> (permalink)
References <BmPl7-4ju-1@gated-at.bofh.it> <Bmc0p-5VS-5@gated-at.bofh.it> <BmPl7-4ju-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 3 groups.

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Hi,

On 17/12/20 at 09:24 +0900, Ryutaroh Matsumoto wrote:
> (1) CONFIG_DRM_V3D has no effect, as
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977441#18
> 
> (3) /dev/dri/render* does not appear unlike
> 
> https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1880125/comments/14
> https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1850876/comments/33
> 
> GPU/DRM acceleration remains unusable on RPi4, and bug 968181
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=968181
> remains open. 968181 seems blocked by 977441.

That's expected. The needed V3D changes have not been done upstream (in
the vanilla kernel).

Ubuntu uses the Raspberry Pi foundation kernel, from
github.com/raspberrypi/linux. That's why it works on Ubuntu.

I documented how to build such as kernel on Debian on
https://wiki.debian.org/RaspberryPi4#Building_a_custom_kernel_from_github.com.2Fraspberrypi.2Flinux_sources

Lucas

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Thread

Bug#977438: linux: Pls. consider DRM_VC4_HDMI_CEC Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-15 07:30 +0100
  Bug#977438: Pls. consider raspi-related configs for kernel 5.10 Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-17 01:30 +0100
    Bug#977438: Pls. consider raspi-related configs for kernel 5.10 Lucas Nussbaum <lucas@debian.org> - 2020-12-17 11:40 +0100
  Bug#977438: linux: Pls. consider DRM_VC4_HDMI_CEC Vincent Blut <vincent.debian@free.fr> - 2020-12-17 11:30 +0100
    Bug#977438: linux: Pls. consider DRM_VC4_HDMI_CEC Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-18 01:50 +0100
      Bug#977438: linux: Pls. consider DRM_VC4_HDMI_CEC Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-18 02:40 +0100

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