DCN31_CLK_SRC_PLL1
pool->base.clock_sources[DCN31_CLK_SRC_PLL1] =
pool->base.clock_sources[DCN31_CLK_SRC_PLL1] =
pool->base.clock_sources[DCN31_CLK_SRC_PLL1] =
pool->base.clock_sources[DCN31_CLK_SRC_PLL1] =