ATOM_GPIO_SETTINGS_BITSHIFT_MASK 4399 drivers/gpu/drm/amd/include/atombios.h #define ATOM_GPIO_SETTINGS_BITSHIFT_MASK  0x1F    // [4:0]
ATOM_GPIO_SETTINGS_BITSHIFT_MASK 3907 drivers/gpu/drm/radeon/atombios.h #define ATOM_GPIO_SETTINGS_BITSHIFT_MASK  0x1F    // [4:0]