kernel amdgpu problems

[Christian König]

Am 28.02.22 um 07:43 schrieb Alex fxmbsw7 Ratchev:
>
>
> On Mon, Feb 28, 2022 at 12:22 AM Mike Lothian <mike at fireburn.co.uk> wrote:
>
>     On Sat, 26 Feb 2022 at 10:01, Alex fxmbsw7 Ratchev
>     <fxmbsw7 at gmail.com> wrote:
>     >
>     > i have observed at least two major problems of using amdgpu
>     >
>     > 1. cant be built-in instead of module, display stays blank
>
>     Are you remembering to add in the firmware to the kernel image too?
>
>
> i copied all from official linux-firmware.gif to /lib/firmware

That's not sufficient, you need to tell the kernel explicitly which 
firmware will be needed.

In other words try mentioning everything in /lib/firmware/amdgpu as 
CONFIG_EXTRA_FIRMWARE.

Regards,
Christian.

>
>     There's a good guide at
>     https://wiki.gentoo.org/wiki/AMDGPU#Known_firmware_blobs
>
>     I've successfully used AMDGPU builtin on Tonga, Raven, Renoir and Navy
>     Flounder systems
>
>     I've never used kexec so have no suggestions for that
>
>
> it may be back then when i compiled it inline not as module i didnt 
> include firmware in the initrd so that may been that
>
> about kexec, i dunno, X dri doesnt work after first kexec, after 
> second screen at all is blank
>
> driver init problems ..
>
> cheers..
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