amdgpu_atpx_get_dhandle 1193 drivers/gpu/drm/amd/amdgpu/amdgpu.h void *amdgpu_atpx_get_dhandle(void);
amdgpu_atpx_get_dhandle  223 drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c 		status = acpi_get_handle(amdgpu_atpx_get_dhandle(), "ATIF",