[PATCH V2] arm64: dts: imx8mn: Fix video clock parents

[Shawn Guo]

On Sat, May 13, 2023 at 11:23:04PM -0500, Adam Ford wrote:
> On Sat, May 13, 2023 at 10:58 PM Shawn Guo <shawnguo at kernel.org> wrote:
> >
> > On Sun, Apr 23, 2023 at 07:35:13AM -0500, Adam Ford wrote:
> > > There are a few clocks whose parents are set in mipi_dsi
> > > and mxsfb nodes, but these clocks are used by the disp_blk_ctrl
> > > power domain which may cause an issue when re-parenting, resuling
> > > in a disp_pixel clock having the wrong parent and wrong rate.
> > >
> > > Fix this by moving the assigned-clock-parents as associate clock
> > > assignments to the power-domain node to setup these clocks before
> > > they are enabled.
> > >
> > > Fixes: d825fb6455d5 ("arm64: dts: imx8mn: Add display pipeline components")
> > > Signed-off-by: Adam Ford <aford173 at gmail.com>
> >
> > Is it a fix for v6.4-rc or material for -next?
> 
> The Samsung DSI driver for Nano is in 6.4, and an attempt was made to
> setup the device tree in 6.4.  While I don't think there are users of
> this yet, if people try to add DT entries in their boards, they might
> struggle getting the video working if this isn't applied since the
> disp1_pix clock may be stuck at 24MHz which likely won't sync much if
> any displays.

Ok, applied for v6.4-rc, thanks!