SUPPORTED_LCD_REFRESHRATE_60Hz 3893 drivers/gpu/drm/amd/include/atombios.h #define SUPPORTED_LCD_REFRESHRATE_60Hz          0x0020
SUPPORTED_LCD_REFRESHRATE_60Hz 3414 drivers/gpu/drm/radeon/atombios.h #define SUPPORTED_LCD_REFRESHRATE_60Hz          0x0020