[PATCH 3/5] drm/panel: st7703: Add Powkiddy RGB30 Panel Support

[Chris Morgan]

On Mon, Oct 16, 2023 at 08:18:25PM +0200, Heiko Stübner wrote:
> Hi,
> 
> Am Montag, 16. Oktober 2023, 18:07:52 CEST schrieb Dragan Simic:
> > On 2023-10-16 17:52, Chris Morgan wrote:
> > > Confirmed that those pending patches DO fix the panel suspend issues. 
> > > Thank you.
> > 
> > Awesome, that's great to hear!  Perhaps a "Tested-by" in the original 
> > LKML thread [1] could help with having the patch pulled sooner.
> > 
> > Links:
> > [1] 
> > https://lore.kernel.org/lkml/33b72957-1062-1b66-85eb-c37dc5ca259b@redhat.com/T/
> > 
> > 
> > > On Mon, Oct 16, 2023 at 3:41 AM Guido Günther <guido.gunther at puri.sm> 
> > > wrote:
> > >> 
> > >> Hi Chris,
> > >> On Fri, Oct 13, 2023 at 01:39:16PM -0500, Chris Morgan wrote:
> > >> > From: Chris Morgan <macromorgan at hotmail.com>
> > >> >
> > >> > The Powkiddy RGB30 4 inch panel is a 4 inch 720x720 DSI panel used in
> > >> > the Powkiddy RGB30 handheld gaming device. Add support for it.
> > >> >
> > >> > TODO: The panel seems to not resume properly from suspend. I've
> > >> > confirmed on the other ST7703 based devices it works correctly.
> 
> so this TODO item could go away, right?
> I can remove it when applying the patch, just want to make sure
> all review comments are addressed - only the suspend thing it seems.

That is correct, but let me send a v2 of this instead. I'll remove this
verbiage among other fixes. End users wanted me to see if I could get
this panel to run at precisely 60hz, which I believe I am able to do
with the addition of a new PLL clock in clk_rk3568. I believe I have
taken every constraint detailed in the datasheet to heart for the new
frequency I'll be requesting. By using the frequency of 292500000 for
the VPLL I can get the panel running at 59.969hz which in my view is
close enough to the ideal 59.98hz.

I also accidentally left the UART2 active even though this device has
no exposed UART port, so I need to fix that too by disabling it.

Lastly I'll add my tested by to the dri-devel patches as well.

Thank you,
Chris

> 
> 
> Thanks
> Heiko
> 
>