Quoting Bjorn Andersson (2021-11-23 08:25:08)
> In the event that the bootloader has configured the Trion PLL as source
> for the display clocks, e.g. for the continuous splashscreen, then there
> will also be RCGs that are clocked by this instance.
>
> Reconfiguring, and in particular disabling the output of, the PLL will
> cause issues for these downstream RCGs and has been shown to prevent
> them from being re-parented.
>
> Follow downstream and skip configuration if it's determined that the PLL
> is already running.
>
> Fixes: 59128c20a6a9 ("clk: qcom: clk-alpha-pll: Add support for controlling Lucid PLLs")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
Applied to clk-fixes
