On Wed, Aug 07, 2019 at 10:56:40AM +0800, Tao Zhou wrote:
readq/writeq are not supported on all architectures
Signed-off-by: Tao Zhou tao.zhou1@amd.com Reviewed-by: Alex Deucher alexander.deucher@amd.com
Regarding the claim that this would work for 32-bit x86 builds:
make ARCH=i386 allmodconfig make ARCH=i386 drivers/gpu/drm/amd/amdgpu/amdgpu_device.o
results in:
... CC [M] drivers/gpu/drm/amd/amdgpu/amdgpu_device.o drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function ‘amdgpu_mm_rreg64’: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:279:9: error: implicit declaration of function ‘readq’;
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function ‘amdgpu_mm_wreg64’: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:298:3: error: implicit declaration of function ‘writeq’
This is with next-20190808.
Guenter