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From: Mark Brown <broonie@kernel.org>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: Thierry Reding <thierry.reding@gmail.com>,
	"linux-samsung-soc@vger.kernel.org"
	<linux-samsung-soc@vger.kernel.org>,
	Will Deacon <will.deacon@arm.com>,
	Doug Anderson <dianders@chromium.org>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	"kgene.kim@samsung.com" <kgene.kim@samsung.com>,
	Olof Johansson <olof@lixom.net>,
	Prashanth G <prashanth.g@samsung.com>,
	Javier Martinez Canillas <javier.martinez@collabora.co.uk>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"rahul.sharma@samsung.com" <rahul.sharma@samsung.com>
Subject: Re: Unable to boot mainline on snow chromebook since 3.15
Date: Mon, 29 Sep 2014 17:37:57 +0100	[thread overview]
Message-ID: <20140929163757.GU16977@sirena.org.uk> (raw)
In-Reply-To: <CACxGe6uDYNOuhgM_5iQTp=iB4X-osSz8WESiUb2QGj5ZmWFp-A@mail.gmail.com>

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On Mon, Sep 29, 2014 at 02:12:43PM +0100, Grant Likely wrote:
> On Mon, Sep 29, 2014 at 1:57 PM, Thierry Reding

> > Though there are two cases: one is to use simplefb as a means to have
> > early boot messages on a graphical display (and optionally hand off to a
> > real driver). The other is to use simplefb as the only framebuffer
> > driver until a proper driver has been implemented. The latter would have
> > the disadvantage of not allowing unused resources from being garbage
> > collected at all. Then again, I don't think power consumption is going
> > to be a very big issue on hardware where no proper display driver is
> > available.

> When simplefb is the only framebuffer to get a platform working, it is
> reasonable to have a placeholder driver that grabs the resources and
> nothing else. When a real driver is implemented, and merged, the
> placeholder driver should drop compatibility with the device node at
> the same time.

I'd thought there was some objection to doing this?  It does seem like a
sensible approach.

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  reply	other threads:[~2014-09-29 16:38 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-05 11:57 Unable to boot mainline on snow chromebook since 3.15 Will Deacon
2014-09-05 12:22 ` Will Deacon
2014-09-05 13:46   ` Ajay kumar
2014-09-05 13:56     ` Vivek Gautam
2014-09-08 11:17       ` Will Deacon
2014-09-05 14:12     ` Marc Zyngier
2014-09-05 20:25   ` Doug Anderson
2014-09-07  9:06     ` Javier Martinez Canillas
2014-09-07 15:01       ` Mark Brown
2014-09-07 15:51         ` Javier Martinez Canillas
2014-09-07 15:52       ` Tomasz Figa
2014-09-07 16:12         ` Javier Martinez Canillas
2014-09-07 16:19           ` Tomasz Figa
2014-09-07 16:40             ` Javier Martinez Canillas
2014-09-08 11:21             ` Will Deacon
2014-09-08 11:55               ` Javier Martinez Canillas
2014-09-08 12:46                 ` Will Deacon
2014-09-08 12:20               ` Grant Likely
2014-09-08 13:49                 ` Mark Brown
2014-09-08 14:05                   ` Javier Martinez Canillas
2014-09-10 11:17                     ` Will Deacon
2014-09-10 16:03                       ` Doug Anderson
2014-09-10 16:23                         ` Will Deacon
2014-09-08 15:58                 ` Doug Anderson
2014-09-08 19:40                   ` Grant Likely
2014-09-10 13:06                     ` Olof Johansson
2014-09-10 14:31                       ` Mark Brown
2014-09-10 14:56                         ` Grant Likely
2014-09-10 15:39                           ` Mark Brown
2014-09-10 16:29                             ` Grant Likely
2014-09-10 16:45                               ` Doug Anderson
2014-09-10 19:45                                 ` Mark Brown
2014-09-10 19:51                                   ` Doug Anderson
2014-09-10 16:57                               ` Mark Brown
2014-09-11  9:22                                 ` Grant Likely
2014-09-11 18:03                                   ` Mark Brown
2014-09-11 22:54                                     ` Doug Anderson
2014-09-29 12:57                           ` Thierry Reding
2014-09-29 13:12                             ` Grant Likely
2014-09-29 16:37                               ` Mark Brown [this message]
2014-09-30  6:12                               ` Thierry Reding
2014-09-29 20:46                             ` Maxime Ripard
2014-09-10 16:36                         ` Olof Johansson
2014-09-10 18:17                           ` Mark Brown
2014-09-11  9:06                         ` Grant Likely
2014-09-11 16:16                           ` Mark Brown
2014-09-08  4:36         ` Doug Anderson
2014-09-08  6:09           ` Javier Martinez Canillas
2014-09-08 15:55             ` Doug Anderson
2014-09-08 16:07               ` Will Deacon
2014-09-08 16:12                 ` Doug Anderson
2014-09-08 10:20           ` Mark Brown
2014-09-08  4:43         ` Doug Anderson

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