DPREFCLK_SRC_SEL_P3PLL  923 drivers/gpu/drm/amd/include/asic_reg/dce/dce_11_2_enum.h 	DPREFCLK_SRC_SEL_P3PLL                           = 0x4,
DPREFCLK_SRC_SEL_P3PLL 11030 drivers/gpu/drm/amd/include/vega10_enum.h DPREFCLK_SRC_SEL_P3PLL                   = 0x00000004,