Re: [PATCH 5.15 000/262] 5.15.27-rc1 review

[Holger Hoffstätte]

On 2022-03-07 11:44, Holger Hoffstätte wrote:
> On 2022-03-07 10:15, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.15.27 release.
> > There are 262 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
>
> CC [M]  drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn301/dcn301_fpu.o
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn301/dcn301_fpu.c:30:10: fatal error: dml/dcn20/dcn20_fpu.h: No such file or directory
>     30 | #include "dml/dcn20/dcn20_fpu.h"
>        |          ^~~~~~~~~~~~~~~~~~~~~~~
> compilation terminated.
>
> Culprit is "drm-amd-display-move-fpu-associated-dcn301-code-to-d.patch"
>
> Looking over the git history of the dml/dnc20 directory I think the correct fix would
> be to also apply upstream commit ee37341199c61558b73113659695c90bf4736eb2 aka
> "drm/amd/display: Re-arrange FPU code structure for dcn2x"
>
> CC'ing Qingqing Zhuo for confirmation.

I can confirm that applying a modified ee37341199c6 fixes the issue. \o/
The hunk that refers to drivers/gpu/drm/amd/display/dc/dcn201 needs to be removed,
since that directory (support for "cyan_skillfish") does not exist in 5.15.x.

cheers
Holger