[PATCH -next] drm/amd/display: fix build error on arm64

[Alex Deucher]

Applied.  Thanks.

Alex

On Tue, Oct 11, 2022 at 8:41 AM Yang Yingliang <yangyingliang at huawei.com> wrote:
>
> dcn20_build_mapped_resource() and dcn20_acquire_dsc() is not defined,
> if CONFIG_DRM_AMD_DC_DCN is disabled.
>
> Fix the following build error on arm64:
>
>   ERROR: modpost: "dcn20_build_mapped_resource" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>   ERROR: modpost: "dcn20_acquire_dsc" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>
> Fixes: 20dad3813b3c ("drm/amd/display: Add a helper to map ODM/MPC/Multi-Plane resources")
> Signed-off-by: Yang Yingliang <yangyingliang at huawei.com>
> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> index 4a6e867369b8..bbed5685d847 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> @@ -3721,12 +3721,16 @@ bool dc_resource_acquire_secondary_pipe_for_mpc_odm(
>                 else
>                         sec_pipe->stream_res.opp = sec_pipe->top_pipe->stream_res.opp;
>                 if (sec_pipe->stream->timing.flags.DSC == 1) {
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
>                         dcn20_acquire_dsc(dc, &state->res_ctx, &sec_pipe->stream_res.dsc, pipe_idx);
> +#endif
>                         ASSERT(sec_pipe->stream_res.dsc);
>                         if (sec_pipe->stream_res.dsc == NULL)
>                                 return false;
>                 }
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
>                 dcn20_build_mapped_resource(dc, state, sec_pipe->stream);
> +#endif
>         }
>
>         return true;
> --
> 2.25.1
>