Re: linux-next: build failure after merge of the drm-misc tree

[Alex Deucher]

On Thu, Sep 24, 2026 at 12:54 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Wed, Sep 23, 2026 at 05:57:24PM -0400, Alex Deucher wrote:
>
> > Your reports are valuable and we always take them seriously even if I
> > don't reply as quickly as I should.  For the issues at hand they
> > should all be fixed with the following patches:
>
> > https://patchwork.freedesktop.org/patch/755725/?series=174828&rev=1
> > https://patchwork.freedesktop.org/patch/755741/?series=174834&rev=1
> > https://patchwork.freedesktop.org/patch/755769/?series=172614&rev=2
>
> > I'll push a new -next branch with those fixes later today.
>
> I'm still seeing at least:
>
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c: In function ‘UseMinimumDCFCLK’:
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:6666:1: error: the frame size of 2064 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
>  6666 | }
>       | ^
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c: In function ‘UseMinimumDCFCLK’:
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c:7460:1: error: the frame size of 2128 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
>  7460 | }
>       | ^
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.c: In function ‘dml32_UseMinimumDCFCLK’:
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.c:3278:1: error: the frame size of 2176 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
>  3278 | }
>       | ^
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn314/display_mode_vba_314.c: In function ‘UseMinimumDCFCLK’:
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn314/display_mode_vba_314.c:7546:1: error: the frame size of 2128 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
>  7546 | }
>       | ^
> cc1: all warnings being treated as errors
> make[7]: *** [/home/broonie/git/next/sfr/next/scripts/Makefile.build:290: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.o] Error 1
> make[7]: *** Waiting for unfinished jobs....
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/display_mode_core.c: In function ‘dml_prefetch_check’:
> /home/broonie/git/next/sfr/next/drivers/gpu/drm/amd/amdgpu/../display/dc/dml2_0/display_mode_core.c:6821:1: error: the frame size of 2160 bytes is larger than 2056 bytes [-Werror=frame-larger-than=]
>  6821 | }
>       | ^

Does this patch fix it?
https://patchwork.freedesktop.org/patch/755883/?series=174861&rev=1

Alex

>
> after merging amdgpu today, note that this is in the -next merge and not
> just the amdgpu tree in isolation.  I am currently holding drm and
> drm-misc at next-20260921, there is a conflict with the old version of
> them though that was just comments but they'll be in the history at the
> point I'm building so possibly whatever git did with the merge is
> causing issues.
>
> Any fixes will also need to propagate into drm and drm-misc.>
> I'm also still carrying a build fix marking the display KUnit tests as
> BROKEN due to the issues with the conflicting changes with drm-misc
> which several people have noticed, for example there's this from Arnd
> last week:
>
>    https://lore.kernel.org/r/20260915201006.3526945-1-arnd@xxxxxxxxxx
>
> None of the mails I saw about that or the issues resulting from my
> mismerge got any response either.