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From: Thierry Reding <thierry.reding@gmail.com>
To: Svyatoslav Ryhel <clamor95@gmail.com>
Cc: "Dmitry Osipenko" <digetx@gmail.com>,
	"David Heidelberg" <david@ixit.cz>,
	"Raffaele Tranquillini" <raffaele.tranquillini@gmail.com>,
	"Ion Agorria" <ion@agorria.com>,
	"Maxim Schwalm" <maxim.schwalm@gmail.com>,
	"Pedro Ângelo" <pangelo@void.io>,
	"Matt Merhar" <mattmerhar@protonmail.com>,
	"Zack Pearsall" <zpearsall@yahoo.com>,
	linux-tegra@vger.kernel.org
Subject: Re: LVDS panel compatible strings
Date: Fri, 14 Jul 2023 17:16:22 +0200	[thread overview]
Message-ID: <ZLFmxuVuO2FWy1as@orome> (raw)
In-Reply-To: <CAPVz0n3fj77JEzJbYve9-5pjjVt+yJHNcFGqJr0HFSJnaOtbzw@mail.gmail.com>

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On Fri, Jul 14, 2023 at 06:00:43PM +0300, Svyatoslav Ryhel wrote:
> пт, 14 лип. 2023 р. о 17:38 Thierry Reding <thierry.reding@gmail.com> пише:
> >
> > Hi everyone,
> >
> > I've been working on converting all Tegra-related device tree bindings
> > to json-schema so that eventually we can fully validate device tree
> > files. Getting all the bindings reviewed and merged has been slow, but
> > I have a local tree where pretty much all validation errors and warnings
> > have been fixed. The remaining warnings that I'm not sure how to resolve
> > are these:
> >
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-tilapia-E1565.dtb: display-panel: compatible:0: 'panel-lvds' is not one of ['auo,b101ew05', 'tbs,a711-panel']
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-tilapia-E1565.dtb: display-panel: compatible: ['panel-lvds'] is too short
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-tilapia-E1565.dtb: display-panel: Unevaluated properties are not allowed ('compatible' was unexpected)
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-E1565.dtb: display-panel: compatible:0: 'panel-lvds' is not one of ['auo,b101ew05', 'tbs,a711-panel']
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-E1565.dtb: display-panel: compatible: ['panel-lvds'] is too short
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-E1565.dtb: display-panel: Unevaluated properties are not allowed ('compatible' was unexpected)
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-PM269.dtb: display-panel: compatible:0: 'panel-lvds' is not one of ['auo,b101ew05', 'tbs,a711-panel']
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-PM269.dtb: display-panel: compatible: ['panel-lvds'] is too short
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-asus-nexus7-grouper-PM269.dtb: display-panel: Unevaluated properties are not allowed ('compatible' was unexpected)
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-pegatron-chagall.dtb: display-panel: compatible:0: 'panel-lvds' is not one of ['auo,b101ew05', 'tbs,a711-panel']
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-pegatron-chagall.dtb: display-panel: compatible: ['panel-lvds'] is too short
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> >     arch/arm/boot/dts/nvidia/tegra30-pegatron-chagall.dtb: display-panel: Unevaluated properties are not allowed ('compatible' was unexpected)
> >         from schema $id: http://devicetree.org/schemas/display/panel/panel-lvds.yaml#
> 
> Hello Thierry! Pegatron Chagall uses a Hannstar similar to one used in
> ASUS TF201 but unfortunately it is not compatible with existing simple
> panel setup (blurry image if used). My assumption is that chagall as
> different revision of this panel like HSD101PWW3-B00 or
> HSD101PWW1-A00 which is more likely or panel is highly modified which
> is unlikely. I propose to use "hannstar,hsd101pww1" which is more wide
> spread.

Interesting. So is the problem the HSD101PWW2 timings that are off, or
is it because the panel-lvds code does something special to make this
blurry image go away?

Thierry

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  reply	other threads:[~2023-07-14 15:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-14 14:38 LVDS panel compatible strings Thierry Reding
2023-07-14 15:00 ` Svyatoslav Ryhel
2023-07-14 15:16   ` Thierry Reding [this message]
2023-07-14 15:57     ` Svyatoslav Ryhel
2023-07-17  7:16       ` Thierry Reding
2023-07-17  7:25         ` Svyatoslav Ryhel
2023-07-17  8:08         ` Svyatoslav Ryhel
2023-07-17  8:50         ` Dmitry Osipenko
2023-07-17 13:25           ` Thierry Reding
2023-07-22  1:26             ` Dmitry Osipenko
2023-07-18 20:55   ` Maxim Schwalm

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