Re: [PATCH] arm64: dts: imx8mp-phyboard-pollux: Set Video PLL1 frequency to 506.8 MHz

[Shawn Guo]

On Thu, Oct 17, 2024 at 05:11:20AM +0200, Marek Vasut wrote:
> The LVDS panel on this device uses 72.4 MHz pixel clock, set IMX8MP_VIDEO_PLL1
> to 72.4 * 7 = 506.8 MHz so the LDB serializer and LCDIFv3 scanout engine can
> reach accurate pixel clock of exactly 72.4 MHz.
> 
> Without this patch, the Video PLL1 frequency is the default set in imx8mp.dtsi
> which is 1039.5 MHz, which divides down to inaccurate pixel clock of 74.25 MHz
> which works for this particular panel by sheer chance.
> 
> Stop taking that chance and set correct accurate pixel clock frequency instead.
> 
> Fixes: 326d86e197fc ("arm64: dts: imx8mp-phyboard-pollux-rdk: add etml panel support")
> Reported-by: Isaac Scott <isaac.scott@xxxxxxxxxxxxxxxx>
> Signed-off-by: Marek Vasut <marex@xxxxxxx>

Applied, thanks!