[PATCH] arm64: dts: imx8mn: Slow default video_pll clock rate

[Shawn Guo]

On Sun, Feb 11, 2024 at 05:15:08PM -0600, Adam Ford wrote:
> Since commit 8208181fe536 ("clk: imx: composite-8m:
> Add imx8m_divider_determine_rate") the lcdif controller has
> had the ability to set the disp_pixel_clk rate which propagates
> up the tree and sets the video_pll rate automatically.
> 
> By setting this value low, it will force the recalculation of
> video_pll to the lowest rate needed by lcdif instead of
> dividing a larger clock down to the desired clock speed. This
> has the  advantage of being able to lower the video_pll rate
> from 594MHz to 148.5MHz when operating at 1080p. It can go even
> lower when operating at lower resolutions and refresh rates.
> 
> Signed-off-by: Adam Ford <aford173 at gmail.com>

Applied, thanks!