linux-kernel - Re: [PATCH] video: ARM CLCD: Added support for FBIOPAN

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Message-ID: <54F65251.4040006@broadcom.com>
Date:	Tue, 3 Mar 2015 16:31:13 -0800
From:	Arun Ramamurthy <arun.ramamurthy@...adcom.com>
To:	Rob Herring <robherring2@...il.com>
CC:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <Mark.Rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazau <anatol@...gle.com>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	"bcm-kernel-feedback-list@...adcom.com" 
	<bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH] video: ARM CLCD: Added support for FBIOPAN_DISPLAY and
 virtual y resolution



On 15-03-02 03:22 PM, Rob Herring wrote:
> On Mon, Mar 2, 2015 at 1:09 PM, Arun Ramamurthy
> <arun.ramamurthy@...adcom.com> wrote:
>>
>>
>> On 15-03-02 08:11 AM, Russell King - ARM Linux wrote:
>>>
>>> On Mon, Mar 02, 2015 at 04:08:29PM +0000, Pawel Moll wrote:
>>>>
>>>> I'm not sure about this... The word "virtual" never works well with
>>>> device tree nodes defined as "hardware description".
>>>>
>>>> I understand what you're doing, but adding this property to the display
>>>> controller's node doesn't sound right. How does this describe hardware?
>>>> If anywhere, it's more like a job for the panel node?
>>>
>>>
>> I see what you are saying Pawel, I can follow Russell's recommendation of
>> adding a RAM size node called max-memory-available or something similar
>
> We've already got a binding for reserved memory regions for this
> purpose. And there is also simplefb binding.
>
Rob, I am not sure what binding you are referring to, could you be more 
specific? Also how does the simplefb bindings apply to me considering 
that is a separate driver? Thanks
> Rob
>
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