[PATCH 3/3] ARM: logicpd-torpedo-37xx-devkit-28: Reference new DRM panel
Adam Ford
aford173 at gmail.com
Mon Sep 23 13:32:11 UTC 2019
On Sat, Sep 21, 2019 at 2:09 PM Sam Ravnborg <sam at ravnborg.org> wrote:
>
> Hi Adam.
>
> On Tue, Sep 17, 2019 at 11:12:13AM -0500, Adam Ford wrote:
> > With the removal of the panel-dpi from the omap drivers, the
> > LCD no longer works. This patch points the device tree to
> > a newly created panel named "logicpd,type28"
> >
> > Fixes: 8bf4b1621178 ("drm/omap: Remove panel-dpi driver")
> >
> > Signed-off-by: Adam Ford <aford173 at gmail.com>
> Looks good.
> One nit below.
>
> With this addressed:
>
> Acked-by: Sam Ravnborg <sam at ravnborg.org>
>
> Sam
> >
> > diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit-28.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit-28.dts
> > index 07ac99b9cda6..00c426bd51a0 100644
> > --- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit-28.dts
> > +++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit-28.dts
> > @@ -11,22 +11,8 @@
> > #include "logicpd-torpedo-37xx-devkit.dts"
> >
> > &lcd0 {
> > -
> > + /* This isn't the exact LCD, but the timings meet spec */
> > + /* To make it work, set CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4 */
> > + compatible = "logicpd,type28";
> > label = "28";
> You left this property - but us it documented and what use has it?
Good catch, I'll remove it and post a V2 today once I can figure out
the yaml stuff.
adam
>
> > -
> > - panel-timing {
> > - clock-frequency = <9000000>;
> > - hactive = <480>;
> > - vactive = <272>;
> > - hfront-porch = <3>;
> > - hback-porch = <2>;
> > - hsync-len = <42>;
> > - vback-porch = <3>;
> > - vfront-porch = <2>;
> > - vsync-len = <11>;
> > - hsync-active = <1>;
> > - vsync-active = <1>;
> > - de-active = <1>;
> > - pixelclk-active = <0>;
> > - };
> > };
> > --
> > 2.17.1
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