On Saturday, July 2, 2016 8:39:38 PM CEST Build bot for Mark Brown wrote:

Warnings: ../drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c:1817:4: warning: this decimal constant is unsigned only in ISO C90 ../drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c:1822:4: warning: this decimal constant is unsigned only in ISO C90 ../drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c:1824:4: warning: this decimal constant is unsigned only in ISO C90

It seems this was introduced today from 0812a945fbb8 ("drm/amd/powerplay: Update CKS on/ CKS off voltage offset calculation").

Arnd