| Message ID | 20180417220405.53zt5aut2uf6ijhi@darkstar.musicnaut.iki.fi (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
* Aaro Koskinen <aaro.koskinen@iki.fi> [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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi, On Tue, Apr 17, 2018 at 08:44:03PM -0700, Tony Lindgren wrote: > * Aaro Koskinen <aaro.koskinen@iki.fi> [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. FWIW: Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> -- Sebastian
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>;