[PATCH] drm/amd/powerplay: fix compile error with ARCH=arc

[Alex Deucher]

On Sun, Jun 28, 2020 at 7:19 AM Evan Quan <evan.quan at amd.com> wrote:
>
> Fix the compile error below:
> drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c: In function 'smu_v11_0_init_microcode':
> >> arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean 'pci_warn'? [-Werror=implicit-function-declaration]
>       22 |  pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
>          |  ^~~~~~~
> drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:176:3: note: in expansion of macro 'BUG'
>      176 |   BUG();
>
> Change-Id: I4e969082c41f8a8c91f1b0d19eb853eb0a2e0c0d
> Reported-by: kernel test robot <lkp at intel.com>
> Signed-off-by: Evan Quan <evan.quan at amd.com>

I think this is probably a missing include.  We use BUG() elsewhere in
the driver with no problems.

Alex

> ---
>  drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> index 677f8adb920c..48e15885e9c3 100644
> --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> @@ -173,7 +173,8 @@ int smu_v11_0_init_microcode(struct smu_context *smu)
>                 chip_name = "sienna_cichlid";
>                 break;
>         default:
> -               BUG();
> +               dev_err(adev->dev, "Unsupported ASIC type %d\n", adev->asic_type);
> +               return -EINVAL;
>         }
>
>         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_smc.bin", chip_name);
> --
> 2.27.0
>
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