Messages in this thread | | | Date | Thu, 4 Dec 2014 11:09:27 +0200 | From | Tomi Valkeinen <> | Subject | Re: [PATCHv2 0/4] LS1021A: Add dcfb framebuffer driver support. |
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On 04/12/14 10:30, Li.Xiubo@freescale.com wrote:
> Sorry for confusing, it was delayed for other reasons internal. > > I am not familiar about the DRM, and I'd like to know if the DRM driver will be > support, should I also develop the libdrm too ? Or just coding in kernel level ?
For simple drm drivers (this looks like it would be a simple one), I don't think there's any need for libdrm support. The generic DRM interfaces should be enough, so just kernel level coding needed.
> Is there any Document about how to have /dev/fbX device to use ?
There's DRM documentation here:
https://www.kernel.org/doc/htmldocs/drm/index.html
And many existing drivers to use as examples. The dri-devel list (http://lists.freedesktop.org/mailman/listinfo/dri-devel), which is the mailing list used for DRM development, is active and you probably can get more support from there than from the fbdev list.
It should not be a huge effort to write a drm driver for a simple LCD controller like this. I would bet that you can write a working driver in a week.
> If possible, I'd like this could be accept for this time. And I will add the DRM > Version later(for developing and testing will take a long time).
I'm sorry but "it was delayed for internal reasons" and "our customer needs this driver" are not very good reasons for getting a driver merged to mainline Linux.
You can provide your driver to your customer as a separate patch series which they can apply. There should be no conflicts or other issues there, so it should be simple.
Tomi
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