build failure of next-20220811 due to b1a63a0b48ad ("drm/amd/display: consider DSC pass-through during mode validation")

Sudip Mukherjee (Codethink) sudipm.mukherjee at gmail.com
Thu Aug 11 17:10:48 UTC 2022


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.


--
Regards
Sudip


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