linux-kernel - Re: [PATCH v3 00/12] video: da8xx-fb: am335x DT support

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Message-ID: <CAF6AEGtOzKNn0jJ+KPdx6kZOGdw6M2u6xm34Qq9X6SHpGZe51A@mail.gmail.com>
Date:	Wed, 23 Jan 2013 08:25:46 -0600
From:	Rob Clark <robdclark@...il.com>
To:	"Mohammed, Afzal" <afzal@...com>
Cc:	Koen Kooi <koen@...inion.thruhere.net>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	"Valkeinen, Tomi" <tomi.valkeinen@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Mike Turquette <mturquette@...aro.org>
Subject: Re: [PATCH v3 00/12] video: da8xx-fb: am335x DT support

On Wed, Jan 23, 2013 at 6:27 AM, Mohammed, Afzal <afzal@...com> wrote:
> Hi,
>
> On Wed, Jan 23, 2013 at 00:15:09, Rob Clark wrote:
>
>> > Wouldn't it be better to delete da8xx-fb.* and switch to Rob Clarks DRM based driver for this IP block?
>
>> we probably can't delete da8xx-fb, but I think it would be ok to only
>> use it for legacy platforms not yet ported to DT.
>
> We can't remove da8xx-fb as DA830 is a non-DT one and DA850 is only gaining
> DT support.
>
> And Rob,
>
> I am not familiar with drm setup, would all the user space frame buffer based
> applications work as is with drm driver?

drm does provide a legacy fbdev interface (needed for fbcon, for
example).  I don't think da8xx-fb has any custom ioctls, so probably
what drm provides should be enough.

BR,
-R

> Regards
> Afzal
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