Author: kbuild test robot <fengguang.wu@intel.com> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomctrl.c:475:10-11: WARNING: return of 0/1 in function ‘atomctrl_lookup_gpio_pin’ with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci CC: yanyang1 Signed-off-by: Fengguang Wu Signed-off-by: Alex Deucher — drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c | 4 ++– 1 file changed, 2 insertions(+), 2 deletions(-) diff –git …