Include ASPEED ast-drm 1.15.1 video driver in kernel tree

[Thomas Zimmermann]

Hi

Am 11.02.25 um 19:15 schrieb Nicolas Baranger:
> Dear maintener
>
> For my own usage, I did make work the ASPEED ast-drm 1.15.1 video 
> driver on mainline kernel (6.13.0 + 6.13.1).
>
> ASPEED video driver is availiable here:
> https://www.aspeedtech.com/file/support/Linux_DRM_1.15.1_4.tar.gz
>
> But it only work for LTS kernel
> So I modify the DKMS package and I build a new Debian DKMS package 
> with the adapted  source.
> My patch can be find here :
> https://xba.soartist.net/ast-drm_nba_20250211/nba-dkms/astdiff.patch
> See the README:
> https://xba.soartist.net/ast-drm_nba_20250211/nba-dkms/README
>
> Using this new 'ast 1.15.1' driver, performance are amazing compared 
> to the 'ast' driver include in kernel tree, specially when using a 
> discrete GPU and offloading VULKAN / 3D on it but using AST VGA card 
> as the main video card and as the main and only video output (the 
> discrete GPU is used only for offloading 3D or for cuda/opencl)

You are using NVidia's proprietary driver, right? Did you reach out to 
them wrt this problem? Or searched their support forums, online help, 
etc? If so, what are the results?

Best regards
Thomas

>
>
> So to make things easier, I include the new 'ast 1.15.1' driver in 
> kernel tree as AST_NEW : linux-6.13.1-ast/drivers/gpu/drm/ast_new'
> It's working fine as you can see on this video :
> https://xba.soartist.net/ast-drm_nba_20250211/vulcan_nvidia_prime_render_offload_on_ast_vga_card.webm 
>
>
> I upload all the work I've done here :
> https://xba.soartist.net/ast-drm_nba_20250211/
>
> See the global README :
> https://xba.soartist.net/ast-drm_nba_20250211/README
>
> and the README in nba-kernel sub-directory :
> https://xba.soartist.net/ast-drm_nba_20250211/nba-kernel/README
>
> I'm not a developer so please let me know if I made the things the 
> right way and if this new 'ast 1.15.1' driver can be ported to 
> linux-next or linux-? ?
> If you need more explanations, do not hesitate to contact me, I would 
> be happy to help
>
> Kind regards
> Nicolas Baranger

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)