PIXEL_CLOCK_V7_MISC_REF_DIV_SRC_PCIE 2042 drivers/gpu/drm/amd/include/atombios.h #define PIXEL_CLOCK_V7_MISC_REF_DIV_SRC_PCIE        0x10
PIXEL_CLOCK_V7_MISC_REF_DIV_SRC_PCIE 2698 drivers/gpu/drm/amd/include/atomfirmware.h   PIXEL_CLOCK_V7_MISC_REF_DIV_SRC_PCIE        = 0x10,