linux-kernel - Re: [PATCH v2] video: simplefb: add mode parsing function

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Date:	Tue, 28 May 2013 11:31:22 +0900
From:	Alexandre Courbot <gnurou@...il.com>
To:	David Herrmann <dh.herrmann@...il.com>
Cc:	Alexandre Courbot <acourbot@...dia.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Rob Clark <robclark@...il.com>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-rpi-kernel@...ts.infradead.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] video: simplefb: add mode parsing function

Hi David,

On Tue, May 28, 2013 at 3:22 AM, David Herrmann <dh.herrmann@...il.com> wrote:
> If we apply this patch it will get very hard to support this with a
> KMS driver. So any reason why we cannot use the DRM FOURCC constants
> instead?

I don't see any. Maybe Stephen can confirm.

> The dvbe proposal is available here: (also see the two following patches)
>   http://lkml.indiana.edu/hypermail/linux/kernel/1302.2/00274.html
>
> it provides a simple DRM driver that uses VESA / VBE. I am currently
> trying to rework it to "SimpleDRM" which can support arbitrary
> firmware framebuffers.

Ok. I am personally fine with using FOURCC codes for describing video
modes. Maybe we can just drop this patch if it gets in your way.

Alex.
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