* Aaro Koskinen <aaro.koskinen@xxxxxx> [180417 22:05]:
> Hi,
>
> On Wed, Apr 18, 2018 at 12:20:43AM +0300, Aaro Koskinen wrote:
> > When moving from 4.15 -> 4.16, I see long delays and spam from DRM in dmesg.
> >
> > Is this some known issue, or should I try to e.g. bisect it? FWIW, the same
> > kernel binary works on N900.
>
> Apparently N950 display support got enabled in the DTS before it was actually
> working. I did the following and the boot is as before:
>
> diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts
> index 2354e09343f3..aa757482d572 100644
> --- a/arch/arm/boot/dts/omap3-n950.dts
> +++ b/arch/arm/boot/dts/omap3-n950.dts
> @@ -231,6 +231,7 @@
> lcd0: display {
> compatible = "nokia,himalaya", "panel-dsi-cm";
> label = "lcd0";
> + status = "disabled";
>
> pinctrl-names = "default";
> pinctrl-0 = <&display_pins>;
>
> (Having in enabled in DTS will break my testing, as I want to use the
> same kernel binary/configuration also for N900/N950/N9).
Can you please reply with your Signed-off-by and I'll queue it
as a fix. I don't think there's any other fix until at least
the frame done interrupts are properly handled.
Regards,
Tony
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