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SubjectRe: build failure of next-20220811 due to b1a63a0b48ad ("drm/amd/display: consider DSC pass-through during mode validation")
On Thu, Aug 11, 2022 at 6:16 PM Alex Deucher <alexdeucher@gmail.com> wrote:
>
> On Thu, Aug 11, 2022 at 1:11 PM Sudip Mukherjee (Codethink)
> <sudipm.mukherjee@gmail.com> wrote:
> >
> > Hi All,
> >
> > Not sure if it has been reported, builds of riscv, alpha, s390, arm,
> > arm64, xtensa, mips, csky allmodconfig have failed to build next-20220811
> > with the error:
> >
> > ERROR: modpost: "dc_dsc_compute_bandwidth_range" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
> > ERROR: modpost: "dc_dsc_get_policy_for_timing" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
> >
> > git bisect pointed to b1a63a0b48ad ("drm/amd/display: consider DSC pass-through during mode validation")
> > And, reverting that commit has fixed the build failure.
> >
> > I will be happy to test any patch or provide any extra log if needed.
>
> https://patchwork.freedesktop.org/patch/497116/

Thanks, that has fixed this failure. But it has now caused these new
errors resulting in a build failure.

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:
In function 'dm_dp_mst_is_port_support_mode':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1427:32:
error: unused variable 'bw_range' [-Werror=unused-variable]
1427 | struct dc_dsc_bw_range bw_range = {0};
| ^~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1426:22:
error: unused variable 'max_compressed_bw_in_kbps'
[-Werror=unused-variable]
1426 | unsigned int max_compressed_bw_in_kbps = 0;
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1425:49:
error: unused variable 'down_link_bw_in_kbps'
[-Werror=unused-variable]
1425 | unsigned int upper_link_bw_in_kbps = 0,
down_link_bw_in_kbps = 0;
| ^~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1425:22:
error: unused variable 'upper_link_bw_in_kbps'
[-Werror=unused-variable]
1425 | unsigned int upper_link_bw_in_kbps = 0,
down_link_bw_in_kbps = 0;
| ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1424:22:
error: unused variable 'end_to_end_bw_in_kbps'
[-Werror=unused-variable]
1424 | unsigned int end_to_end_bw_in_kbps = 0;
| ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1423:33:
error: unused variable 'cur_link_settings' [-Werror=unused-variable]
1423 | struct dc_link_settings cur_link_settings;



--
Regards
Sudip

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