PIXEL_CLOCK_V7_MISC_YUV420_MODE 2038 drivers/gpu/drm/amd/include/atombios.h #define PIXEL_CLOCK_V7_MISC_YUV420_MODE             0x04
PIXEL_CLOCK_V7_MISC_YUV420_MODE 2694 drivers/gpu/drm/amd/include/atomfirmware.h   PIXEL_CLOCK_V7_MISC_YUV420_MODE             = 0x04,