On Mon, Aug 05, 2019 at 02:40:32AM -0700, kernelci.org bot wrote:

Today's -next fails to build an arm allmodconfig due to:

> allmodconfig (arm, gcc-8) — FAIL, 2 errors, 16 warnings, 0 section mismatches
> 
> Errors:
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:279:9: error: implicit declaration of function 'readq'; did you mean 'readb'? [-Werror=implicit-function-declaration]
>     drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:298:3: error: implicit declaration of function 'writeq'; did you mean 'writeb'? [-Werror=implicit-function-declaration]

due to 4fa1c6a679bb0 (drm/amdgpu: add RREG64/WREG64(_PCIE) operations)
which introduces use of readq() and writeq().