From: "Lothar Waßmann" <LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
dri-devel
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 4/9] drm/panel: simple: add support for overriding the pixel clock polarity
Date: Tue, 17 Oct 2017 08:51:12 +0200 [thread overview]
Message-ID: <20171017085112.7bfb0b01@karo-electronics.de> (raw)
In-Reply-To: <CAL_Jsq+EcROz1OYK28y814+Q__F=1obXe7EuXRBta+BRFjBJFA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Hi,
On Mon, 16 Oct 2017 17:13:29 -0500 Rob Herring wrote:
> On Wed, Oct 11, 2017 at 6:23 AM, Lothar Waßmann <LW-AvR2QvxeiV7DiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org> wrote:
> > The Ka-Ro electronics MB7 baseboard has an on-board LCD->LVDS
> > converter that requires a fixed pixelclk polarity, no matter what the
> > panel's display_mode specifies. Add an option to override the pixelclk
> > polarity defined in the panel's display_mode via DTB.
>
> Wouldn't you know the polarity required based on the type of LVDS
> converter chip in front of the panel? Or is that not being described
> because it is "transparent".
>
Exactly the latter.
Lothar Waßmann
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WARNING: multiple messages have this Message-ID (diff)
From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: Rob Herring <robh+dt@kernel.org>
Cc: David Airlie <airlied@linux.ie>,
Mark Rutland <mark.rutland@arm.com>,
Thierry Reding <thierry.reding@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/9] drm/panel: simple: add support for overriding the pixel clock polarity
Date: Tue, 17 Oct 2017 08:51:12 +0200 [thread overview]
Message-ID: <20171017085112.7bfb0b01@karo-electronics.de> (raw)
In-Reply-To: <CAL_Jsq+EcROz1OYK28y814+Q__F=1obXe7EuXRBta+BRFjBJFA@mail.gmail.com>
Hi,
On Mon, 16 Oct 2017 17:13:29 -0500 Rob Herring wrote:
> On Wed, Oct 11, 2017 at 6:23 AM, Lothar Waßmann <LW@karo-electronics.de> wrote:
> > The Ka-Ro electronics MB7 baseboard has an on-board LCD->LVDS
> > converter that requires a fixed pixelclk polarity, no matter what the
> > panel's display_mode specifies. Add an option to override the pixelclk
> > polarity defined in the panel's display_mode via DTB.
>
> Wouldn't you know the polarity required based on the type of LVDS
> converter chip in front of the panel? Or is that not being described
> because it is "transparent".
>
Exactly the latter.
Lothar Waßmann
next prev parent reply other threads:[~2017-10-17 6:51 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-11 11:23 [PATCH 0/9] drm/panel: simple: improve definition of display modes and add more panels Lothar Waßmann
2017-10-11 11:23 ` Lothar Waßmann
2017-10-11 11:23 ` [PATCH 1/9] drm/panel: simple: add a macro for defining display modes in a simpler and less error prone way Lothar Waßmann
2017-10-17 12:08 ` Thierry Reding
2017-10-17 12:13 ` Lothar Waßmann
2017-10-17 12:13 ` Lothar Waßmann
[not found] ` <20171017141337.088ba796-AvR2QvxeiV7DiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2017-10-17 12:50 ` Thierry Reding
2017-10-17 12:50 ` Thierry Reding
2017-10-11 11:23 ` [PATCH 2/9] drm/panel: simple: simplify display_mode definitions by using macro Lothar Waßmann
[not found] ` <1507721021-28174-3-git-send-email-LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2017-10-17 12:09 ` Thierry Reding
2017-10-17 12:09 ` Thierry Reding
2017-10-17 13:05 ` Lothar Waßmann
2017-10-17 13:08 ` Thierry Reding
2017-10-17 13:08 ` Thierry Reding
2017-10-17 13:17 ` Lothar Waßmann
2017-10-11 11:23 ` [PATCH 3/9] drm/panel: simple: make it possible to override LCD bus format Lothar Waßmann
[not found] ` <1507721021-28174-4-git-send-email-LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2017-10-13 22:13 ` Rob Herring
2017-10-13 22:13 ` Rob Herring
2017-10-17 12:12 ` Thierry Reding
2017-10-17 12:12 ` Thierry Reding
2017-10-17 12:44 ` Lothar Waßmann
2017-10-17 12:44 ` Lothar Waßmann
[not found] ` <20171017144423.4ddd6047-AvR2QvxeiV7DiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2017-10-17 12:56 ` Thierry Reding
2017-10-17 12:56 ` Thierry Reding
2017-10-17 17:11 ` Rob Herring
2017-10-17 17:11 ` Rob Herring
[not found] ` <1507721021-28174-1-git-send-email-LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2017-10-11 11:23 ` [PATCH 4/9] drm/panel: simple: add support for overriding the pixel clock polarity Lothar Waßmann
2017-10-11 11:23 ` Lothar Waßmann
2017-10-16 22:13 ` Rob Herring
2017-10-16 22:13 ` Rob Herring
[not found] ` <CAL_Jsq+EcROz1OYK28y814+Q__F=1obXe7EuXRBta+BRFjBJFA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-10-17 6:51 ` Lothar Waßmann [this message]
2017-10-17 6:51 ` Lothar Waßmann
2017-10-17 12:14 ` Thierry Reding
2017-10-17 12:25 ` Lothar Waßmann
2017-10-17 12:45 ` Thierry Reding
2017-10-17 12:45 ` Thierry Reding
2017-10-25 9:56 ` Lothar Waßmann
2017-10-11 11:23 ` [PATCH 5/9] drm/panel: simple: add support for EDT ET0350 3.5" QVGA panel Lothar Waßmann
2017-10-11 11:23 ` Lothar Waßmann
[not found] ` <1507721021-28174-6-git-send-email-LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2017-10-17 19:50 ` Rob Herring
2017-10-17 19:50 ` Rob Herring
2017-10-11 11:23 ` [PATCH 6/9] drm/panel: simple: add support for EDT ET0430 4.3" HVGA panel Lothar Waßmann
2017-10-11 11:23 ` [PATCH 7/9] drm/panel: simple: add support for NLT NL12880 12.1" WXGA LVDS panel Lothar Waßmann
2017-10-11 11:23 ` [PATCH 8/9] drm/panel: simple: add support for EDT ETM0700G0EDH6 7" WVGA panel Lothar Waßmann
2017-10-11 11:23 ` [PATCH 9/9] drm/panel: simple: add support for EDT ET1010G0DSA/ETML1010G0DKA 10.1" WXGA LVDS panels Lothar Waßmann
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