From: "Noralf Trønnes" <noralf@tronnes.org>
To: Rob Herring <robh@kernel.org>, Thierry Reding <thierry.reding@gmail.com>
Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
thomas.petazzoni@free-electrons.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 5/7] dt-bindings: display: Add common rotation property
Date: Fri, 3 Feb 2017 13:16:45 +0100 [thread overview]
Message-ID: <30cce12b-b6c6-c651-409e-5574b5f7576e@tronnes.org> (raw)
In-Reply-To: <20170201174113.g7sdkhtzvizg5ajv@rob-hp-laptop>
Thierry, please have a look at this.
In which direction should we rotate to match how drm rotation works?
Den 01.02.2017 18.41, skrev Rob Herring:
> On Tue, Jan 31, 2017 at 05:03:17PM +0100, Noralf Trønnes wrote:
>> Display panels can be oriented many ways, especially in the embedded
>> world. The rotation property is a way to describe this orientation.
>> The counter clockwise direction is chosen because that's what fbdev
>> and drm use.
> The h/w mounting is rotated counter clockwise, so the framebuffers'
> contents are rotated clockwise, right?
>
>> Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
>> ---
>> Documentation/devicetree/bindings/display/display.txt | 4 ++++
> This is panel property, so bindings/display/panel/panel.txt.
>
>> 1 file changed, 4 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/display/display.txt
>>
>> diff --git a/Documentation/devicetree/bindings/display/display.txt b/Documentation/devicetree/bindings/display/display.txt
>> new file mode 100644
>> index 0000000..e2e6867
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/display.txt
>> @@ -0,0 +1,4 @@
>> +Common display properties
>> +-------------------------
>> +
>> +- rotation: Display rotation in degrees counter clockwise (0,90,180,270)
>> --
>> 2.10.2
>>
>> --
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next prev parent reply other threads:[~2017-02-03 12:16 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-31 16:03 [PATCH v3 0/7] drm: Add support for tiny LCD displays Noralf Trønnes
2017-01-31 16:03 ` [PATCH v3 1/7] drm: Add DRM " Noralf Trønnes
2017-01-31 16:23 ` Daniel Vetter
2017-01-31 18:01 ` Noralf Trønnes
2017-01-31 20:10 ` Daniel Vetter
2017-02-06 9:17 ` Thierry Reding
2017-02-06 19:23 ` Noralf Trønnes
2017-02-07 6:58 ` Daniel Vetter
2017-02-07 11:48 ` Thierry Reding
2017-02-06 10:12 ` Jani Nikula
2017-01-31 16:03 ` [PATCH v3 2/7] drm/tinydrm: Add helper functions Noralf Trønnes
2017-02-06 8:56 ` Thierry Reding
2017-02-06 9:09 ` Daniel Vetter
2017-02-06 9:35 ` Thierry Reding
[not found] ` <CAKMK7uHgW15EPpPSU2se7r89JCGD_oTvn9ZJptYaNJAWMKb9Fg@mail.gmail.com>
2017-02-06 11:08 ` Thierry Reding
2017-02-06 15:53 ` Daniel Vetter
2017-02-06 22:11 ` Noralf Trønnes
2017-02-07 11:38 ` Thierry Reding
2017-02-06 22:28 ` Dave Airlie
2017-02-07 7:00 ` Daniel Vetter
2017-02-07 11:11 ` Thierry Reding
2017-02-07 11:21 ` Daniel Vetter
2017-02-07 11:44 ` Thierry Reding
2017-02-07 13:23 ` Daniel Vetter
2017-02-06 22:55 ` Rob Herring
2017-02-07 7:08 ` Daniel Vetter
2017-02-06 10:10 ` Jani Nikula
2017-01-31 16:03 ` [PATCH v3 3/7] drm/tinydrm: Add MIPI DBI support Noralf Trønnes
2017-02-06 8:48 ` Thierry Reding
2017-02-06 11:30 ` Jani Nikula
2017-02-06 11:53 ` Thierry Reding
2017-02-06 12:34 ` Andrzej Hajda
2017-02-06 15:45 ` Noralf Trønnes
2017-02-06 11:25 ` Jani Nikula
2017-01-31 16:03 ` [PATCH v3 4/7] of: Add vendor prefix for Multi-Inno Noralf Trønnes
2017-01-31 16:03 ` [PATCH v3 5/7] dt-bindings: display: Add common rotation property Noralf Trønnes
2017-02-01 17:41 ` Rob Herring
2017-02-03 12:16 ` Noralf Trønnes [this message]
2017-02-06 7:10 ` Thierry Reding
2017-01-31 16:03 ` [PATCH v3 6/7] dt-bindings: Add Multi-Inno MI0283QT binding Noralf Trønnes
2017-02-01 17:42 ` Rob Herring
2017-01-31 16:03 ` [PATCH v3 7/7] drm/tinydrm: Add support for Multi-Inno MI0283QT display Noralf Trønnes
2017-02-06 8:25 ` Thierry Reding
2017-02-07 12:00 ` [PATCH v3 0/7] drm: Add support for tiny LCD displays Thierry Reding
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