ABACI reported the following bug by code static scanning: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn314/dcn314_dccg.c:223:6: warning: no previous prototype for ‘dccg314_set_valid_pixel_rate’. drivers/gpu/drm/amd/amdgpu/../display/dc/dcn314/dcn314_dccg.c:184:6: warning: no previous prototype for ‘dccg314_set_dpstreamclk’. drivers/gpu/drm/amd/amdgpu/../display/dc/dcn314/dcn314_dccg.c:140:6: warning: no previous prototype for ‘dccg314_set_dtbclk_dto’. In the following kernel version: [+]kernel: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git [+]branch: next-20220913 [+]commit: 044b771be9c5de9d817dfafb829d2f049c71c3b4
submitted to upstream: https://lore.kernel.org/all/CADnq5_NmWKF+7UQov2oQ2JH5UW0Pzjw0bCUzhZWZQ=xH2mu17g@mail.gmail.com/