DCE_CLOCK_FLAG_PLL_REFCLK_SRC_PCIE 2092 drivers/gpu/drm/amd/include/atombios.h #define DCE_CLOCK_FLAG_PLL_REFCLK_SRC_PCIE            0x02
DCE_CLOCK_FLAG_PLL_REFCLK_SRC_PCIE 2744 drivers/gpu/drm/amd/include/atomfirmware.h   DCE_CLOCK_FLAG_PLL_REFCLK_SRC_PCIE          = 0x02,