The return value 0 (false) means fail to find GPIO in atomctrl_get_pp_assign_pin. "-1" returns true as bool actually. Signed-off-by: Huang Rui <ray.huang at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> Cc: <stable at vger.kernel.org> --- drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c index 57213e0..e80e7c1 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c @@ -592,12 +592,12 @@ bool atomctrl_get_pp_assign_pin( const uint32_t pinId, pp_atomctrl_gpio_pin_assignment *gpio_pin_assignment) { - bool bRet = 0; + bool bRet = false; ATOM_GPIO_PIN_LUT *gpio_lookup_table = get_gpio_lookup_table(hwmgr->device); PP_ASSERT_WITH_CODE((NULL != gpio_lookup_table), - "Could not find GPIO lookup Table in BIOS.", return -1); + "Could not find GPIO lookup Table in BIOS.", return false); bRet = atomctrl_lookup_gpio_pin(gpio_lookup_table, pinId, gpio_pin_assignment); -- 2.7.4