Re: [PATCH] arm64: dts: imx8mp: Fix video clock parents

[Shawn Guo]

On Thu, May 11, 2023 at 08:04:23PM -0500, Adam Ford wrote:
> There are a few clocks whose parents are set in mipi_dsi
> and lcdif nodes, but these clocks are used by the media_blk_ctrl
> power domain.  This may cause an issue when re-parenting, because
> the media_blk_ctrl may start the clocks before the reparent is
> done resulting in a disp_pixel clock having the wrong parent and
> rate.
> 
> Fix this by moving the assigned-clock-parents and rates to the
> media_blk_ctrl node to configure these clocks before they are enabled.
> 
> After this patch, both disp1_pix_root and dixp2_pix_root clock
> become children of the video_pll1.
> 
> video_pll1_ref_sel           24000000
>   video_pll1               1039500000
>     video_pll1_bypass        1039500000
>       video_pll1_out           1039500000
>         media_disp2_pix          1039500000
>           media_disp2_pix_root_clk   1039500000
>         media_disp1_pix          1039500000
>           media_disp1_pix_root_clk   1039500000
> 
> Fixes: eda09fe149df ("arm64: dts: imx8mp: Add display pipeline components")
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>

Applied, thanks!