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From: Sean Paul <sean@poorly.run>
To: Douglas Anderson <dianders@chromium.org>
Cc: Sean Paul <seanpaul@chromium.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Sandeep Panda <spanda@codeaurora.org>,
	linux-arm-msm@vger.kernel.org,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	jsanka@codeaurora.org, ryandcase@chromium.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, Rob Herring <robh+dt@kernel.org>,
	David Airlie <airlied@linux.ie>,
	Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH v2 5/6] dt-bindings: drm/panel: simple: Innolux TV123WAM is actually P120ZDG-BF1
Date: Fri, 26 Oct 2018 10:46:57 -0400	[thread overview]
Message-ID: <20181026144657.GU154160@art_vandelay> (raw)
In-Reply-To: <20181026144356.GS154160@art_vandelay>

On Fri, Oct 26, 2018 at 10:43:56AM -0400, Sean Paul wrote:
> On Thu, Oct 25, 2018 at 03:21:33PM -0700, Douglas Anderson wrote:
> > As far as I can tell the bindings that were added in commit
> > 9c04400f7ea6 ("dt-bindings: drm/panel: Document Innolux TV123WAM panel
> > bindings") weren't actually for Innolux TV123WAM but were actually for
> > Innolux P120ZDG-BF1.
> > 
> > As far as I can tell the Innolux TV123WAM isn't a real panel and but
> > it's a mosh between the TI TV123WAM and the Innolux P120ZDG-BF1.
> > Let's unmosh.
> > 
> > Here's my evidence:
> > 
> > * Searching for TV123WAM on the Internet turns up a TI panel.  While
> >   it's possible that an Innolux panel has the same model number as the
> >   TI Panel, it seems a little doubtful.  Looking up the datasheet from
> >   the TI Panel shows that it's 1920 x 1280 and 259.2 mm x 172.8 mm.
> > 
> > * As far as I know, the patch adding the Innolux Panel was supposed to
> >   be for the board that's sitting in front of me as I type this
> >   (support for that board is not yet upstream).  On the back of that
> >   panel I see Innolux P120ZDZ-EZ1 rev B1.
> > 
> > * Someone pointed me at a datasheet that's supposed to be for the
> >   panel in front of me (sorry, I can't share the datasheet).  That
> >   datasheet has the string "p120zdg-bf1"
> > 
> > * If I search for "P120ZDG-BF1" on the Internet I get hits for panels
> >   that are 2160x1440.  They don't have datasheets, but the fact that
> >   the resolution matches is a good sign.
> > 
> > While we doing the rename, also mention that no-hpd can be used with
> > this panel.  See the previous patch in this series ("drm/panel:
> > simple: Add "no-hpd" delay for Innolux TV123WAM").
> > 
> > Fixes: 9c04400f7ea6 ("dt-bindings: drm/panel: Document Innolux TV123WAM panel bindings")
> > Signed-off-by: Douglas Anderson <dianders@chromium.org>
> > Reviewed-by: Rob Herring <robh@kernel.org>
> 
> I didn't see your v2 when I replied to the v1 patch, so for the record,
> 
> Reviewed-by: Sean Paul <sean@poorly.run>
> 
> Also note to whoever applies this to -misc, v1 also had
> 
> Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>

And I just realized that patches 5 & 6 were swapped in v2. So nevermind this,
Doug's v2 tags are correct.

Dear coffee, please kick in soon.

Sean


> 
> 
> Sean
> 
> > Cc: Sandeep Panda <spanda@codeaurora.org>
> > ---
> > 
> > Changes in v2: None
> > 
> >  .../{innolux,tv123wam.txt => innolux,p120zdg-bf1.txt}     | 8 +++++---
> >  1 file changed, 5 insertions(+), 3 deletions(-)
> >  rename Documentation/devicetree/bindings/display/panel/{innolux,tv123wam.txt => innolux,p120zdg-bf1.txt} (70%)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/panel/innolux,tv123wam.txt b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
> > similarity index 70%
> > rename from Documentation/devicetree/bindings/display/panel/innolux,tv123wam.txt
> > rename to Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
> > index a9b35265fa13..513f03466aba 100644
> > --- a/Documentation/devicetree/bindings/display/panel/innolux,tv123wam.txt
> > +++ b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
> > @@ -1,20 +1,22 @@
> > -Innolux TV123WAM 12.3 inch eDP 2K display panel
> > +Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
> >  
> >  This binding is compatible with the simple-panel binding, which is specified
> >  in simple-panel.txt in this directory.
> >  
> >  Required properties:
> > -- compatible: should be "innolux,tv123wam"
> > +- compatible: should be "innolux,p120zdg-bf1"
> >  - power-supply: regulator to provide the supply voltage
> >  
> >  Optional properties:
> >  - enable-gpios: GPIO pin to enable or disable the panel
> >  - backlight: phandle of the backlight device attached to the panel
> > +- no-hpd: If HPD isn't hooked up; add this property.
> >  
> >  Example:
> >  	panel_edp: panel-edp {
> > -		compatible = "innolux,tv123wam";
> > +		compatible = "innolux,p120zdg-bf1";
> >  		enable-gpios = <&msmgpio 31 GPIO_ACTIVE_LOW>;
> >  		power-supply = <&pm8916_l2>;
> >  		backlight = <&backlight>;
> > +		no-hpd;
> >  	};
> > -- 
> > 2.19.1.568.g152ad8e336-goog
> > 
> 
> -- 
> Sean Paul, Software Engineer, Google / Chromium OS

-- 
Sean Paul, Software Engineer, Google / Chromium OS

  reply	other threads:[~2018-10-26 14:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-25 22:21 [PATCH v2 1/6] dt-bindings: drm/panel: simple: Add no-hpd property Douglas Anderson
2018-10-25 22:21 ` [PATCH v2 2/6] drm/panel: simple: Support panels with HPD where HPD isn't connected Douglas Anderson
2018-10-26 14:41   ` Sean Paul
2018-10-25 22:21 ` [PATCH v2 3/6] drm/panel: simple: Add "no-hpd" delay for Innolux TV123WAM Douglas Anderson
2018-10-26 14:41   ` Sean Paul
2018-10-25 22:21 ` [PATCH v2 4/6] drm/bridge: ti-sn65dsi86: Remove the mystery delay Douglas Anderson
2018-10-29  9:03   ` Andrzej Hajda
2018-10-25 22:21 ` [PATCH v2 5/6] dt-bindings: drm/panel: simple: Innolux TV123WAM is actually P120ZDG-BF1 Douglas Anderson
2018-10-26 14:43   ` Sean Paul
2018-10-26 14:46     ` Sean Paul [this message]
2018-10-26 15:01       ` Doug Anderson
2018-10-29  9:10   ` Andrzej Hajda
2018-10-25 22:21 ` [PATCH v2 6/6] " Douglas Anderson
2018-10-26 14:44   ` Sean Paul
2018-10-29 16:16 ` [PATCH v2 1/6] dt-bindings: drm/panel: simple: Add no-hpd property Sean Paul

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