REFCLK_SRC_SEL_PCIE_REFCLK 5159 drivers/gpu/drm/amd/include/navi10_enum.h REFCLK_SRC_SEL_PCIE_REFCLK               = 0x00000000,
REFCLK_SRC_SEL_PCIE_REFCLK 11017 drivers/gpu/drm/amd/include/vega10_enum.h REFCLK_SRC_SEL_PCIE_REFCLK               = 0x00000000,