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Re: [PATCH 00/23] Nokia N950 display support

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On 9 March 2016 at 16:24, Tomi Valkeinen <tomi.valkeinen@ti.com> wrote:
> On 09/03/16 18:19, Emil Velikov wrote:
>> Hi Sebastian,
>>
>> On 8 March 2016 at 16:39, Sebastian Reichel <sre@kernel.org> wrote:
>>
>>>  arch/arm/boot/dts/omap3-n950-n9.dtsi            |  72 +++++++++
>>>  arch/arm/boot/dts/omap3-n950.dts                |  71 +++++++++
>> Just a friendly reminder that updating these and one will have to keep
>> the driver backwards compatible forever.
>>
>> Tomi, has been in the process of removing all the unneeded cruft,
>> although omapdrm it is still using the custom panel, dsi and other
>> code as opposed to the ones provided by DRM. As he gets to reusing
>> those he might have some fun keeping things compatible.
>>
>> It's up-to Tomi to decide, just thought I point it out.
>
> I haven't looked at this series yet, but all the omap display DT
> bindings have been designed to be correct, and while omapdrm will
> receive lots of changes, I don't see any need to touch anything in the
> DT side.
>
> Of course, if we will be using some existing common driver which
> implements bindings in some other way, it'll cause some complexities...
>
I'm leaning that you want to use the existing the DRM_PANEL driver
(gpu/drm/drm_panel.c). It has enough infrastructure to support 25+
'simple' panels (gpu/drm/panel/panel-simple.c) plus 5+ more complex
ones (gpu/drm/panel/).

From a quick look the binding, they do differ although do take a look
for yourself:
Documentation/devicetree/bindings/display/panel/{display-timing,panel-dpi,panel-dsi-cm,simple-panel}.txt

Regards,
Emil

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[PATCH 00/23] Nokia N950 display support Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 21/23] drm: omapdrm: panel-dsi-cm: block disable until update completed Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 14/23] drm: omapdrm: crtc: save framedone callback from dss Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 10/23] drm: omapdrm: crtc: detect manually updated displays Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 19/23] drm: omapdrm: panel-dsi-cm: improve DT support Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 01/23] ARM: dts: n9/n950: regulator configuration Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 07/23] drm: omapdrm: crtc: switch pending variable to atomic bitset Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 15/23] drm: omapdrm: crtc: add support for manual updated displays Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 11/23] include: video: omapdss: provide fifo threshold methods Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 08/23] drm: omapdrm: crtc: add enabled bit to state Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 16/23] drm: omapdrm: update manual displays on dirty ioctl Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  [PATCH 18/23] drm: omapdrm: panel-dsi-cm: use threaded irq handler Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100
  Re: [PATCH 00/23] Nokia N950 display support Aaro Koskinen <aaro.koskinen@iki.fi> - 2016-03-08 19:40 +0100
    Re: [PATCH 00/23] Nokia N950 display support Sebastian Reichel <sre@kernel.org> - 2016-03-08 21:50 +0100
      Re: [PATCH 00/23] Nokia N950 display support Tomi Valkeinen <tomi.valkeinen@ti.com> - 2016-03-09 08:20 +0100
        Re: [PATCH 00/23] Nokia N950 display support Sebastian Reichel <sre@kernel.org> - 2016-03-09 15:40 +0100
      Re: [PATCH 00/23] Nokia N950 display support Aaro Koskinen <aaro.koskinen@iki.fi> - 2016-03-09 22:10 +0100
  Re: [PATCH 00/23] Nokia N950 display support Tomi Valkeinen <tomi.valkeinen@ti.com> - 2016-03-09 17:30 +0100
    Re: [PATCH 00/23] Nokia N950 display support Emil Velikov <emil.l.velikov@gmail.com> - 2016-03-09 18:00 +0100
  Re: [PATCH 00/23] Nokia N950 display support Emil Velikov <emil.l.velikov@gmail.com> - 2016-03-09 17:30 +0100
    Re: [PATCH 00/23] Nokia N950 display support Sebastian Reichel <sre@kernel.org> - 2016-03-09 18:10 +0100

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