linux-kernel - Re: [PATCH] powerpc: Fix missing declaration of [en/dis]able_kernel

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Message-Id: <161571587339.138988.8288160163932312489.b4-ty@ellerman.id.au>
Date:   Sun, 14 Mar 2021 21:01:18 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>, geert@...ux-m68k.org,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     amd-gfx@...ts.freedesktop.org, christian.koenig@....com,
        linuxppc-dev@...ts.ozlabs.org, alexdeucher@...il.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: Fix missing declaration of [en/dis]able_kernel_vsx()

On Tue, 9 Mar 2021 08:39:39 +0000 (UTC), Christophe Leroy wrote:
> Add stub instances of enable_kernel_vsx() and disable_kernel_vsx()
> when CONFIG_VSX is not set, to avoid following build failure.
> 
>   CC [M]  drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.o
> In file included from ./drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:29,
>                  from ./drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:37,
>                  from drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:27:
> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c: In function 'dcn_bw_apply_registry_override':
> ./drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:64:3: error: implicit declaration of function 'enable_kernel_vsx'; did you mean 'enable_kernel_fp'? [-Werror=implicit-function-declaration]
>    64 |   enable_kernel_vsx(); \
>       |   ^~~~~~~~~~~~~~~~~
> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:640:2: note: in expansion of macro 'DC_FP_START'
>   640 |  DC_FP_START();
>       |  ^~~~~~~~~~~
> ./drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:75:3: error: implicit declaration of function 'disable_kernel_vsx'; did you mean 'disable_kernel_fp'? [-Werror=implicit-function-declaration]
>    75 |   disable_kernel_vsx(); \
>       |   ^~~~~~~~~~~~~~~~~~
> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:676:2: note: in expansion of macro 'DC_FP_END'
>   676 |  DC_FP_END();
>       |  ^~~~~~~~~
> cc1: some warnings being treated as errors
> make[5]: *** [drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.o] Error 1

Applied to powerpc/fixes.

[1/1] powerpc: Fix missing declaration of [en/dis]able_kernel_vsx()
      https://git.kernel.org/powerpc/c/bd73758803c2eedc037c2268b65a19542a832594

cheers