Am 15.01.21 um 20:21 schrieb Peter Robinson:
>
> The RPi4 has changed this up some and the 3D render unit is now driven
> by the v3d component and associated driver, and the display engine and
> bridges such as HDMI are driven by the vc4 component.
>
> The vc4 work landed upstream in 5.10 but the v3d components haven't as
> yet, so there is potentially the possibility to have some improvements
> there but I'm not sure how much of it actually works and if all of it
> is there from the vc4 side and if not what is missing. I've briefly
> looked but I've not had time to debug it as yet because as far as I'm
> concerned accelerated graphics on the rpi4 is unsupported in F-33 and
> is still under consideration for F-34.
>
The upstream v3d driver isn't ready for bcm2711 yet. In order to support
Nicolas (current RPi-kernel maintainer), i send some minor patches to
the kernel mailing list [1] during the holidays, which have been
accepted. But there is more work to do like adapting the bcm2835-power
driver for bcm2711 (incl. v3d support).
Regards
Stefan
[1] -
https://lore.kernel.org/dri-devel/20210106150929.qsyuosde6i5q3isc@gilmour/T/
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