linux-kernel - RE: [PATCH] fbdev: fsl-sii902x: HDMI support for Freescale SoCs

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Date:	Mon, 15 Sep 2014 02:17:24 +0000
From:	"Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
CC:	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"plagnioj@...osoft.com" <plagnioj@...osoft.com>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"arnd@...db.de" <arnd@...db.de>,
	"peter.griffin@...aro.org" <peter.griffin@...aro.org>,
	"jg1.han@...sung.com" <jg1.han@...sung.com>,
	"daniel.vetter@...ll.ch" <daniel.vetter@...ll.ch>,
	"laurent.pinchart@...asonboard.com" 
	<laurent.pinchart@...asonboard.com>,
	"robdclark@...il.com" <robdclark@...il.com>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] fbdev: fsl-sii902x: HDMI support for Freescale SoCs

Hi Tomi,

Thanks very much for your comments.


> Subject: Re: [PATCH] fbdev: fsl-sii902x: HDMI support for Freescale SoCs
> 
> Hi,
> 
> On 05/09/14 07:48, Xiubo Li wrote:
> > Some Freescale SoCs, there has an DVI/HDMI controller and a PHY,
> > attached to one of their display controller unit's LCDC interfaces.
> > This patch adds a preliminary static support for such controllers.
> >
> > This will support for many modes and a dynamic switching between
> > them.
> >
> > Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com>
> > ---
> >  .../devicetree/bindings/video/fsl-sii902x.txt      |  17 +
> >  drivers/video/fbdev/Kconfig                        |   7 +
> >  drivers/video/fbdev/Makefile                       |   1 +
> >  drivers/video/fbdev/fsl-sii902x.c                  | 526
> +++++++++++++++++++++
> >  4 files changed, 551 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/video/fsl-sii902x.txt
> >  create mode 100644 drivers/video/fbdev/fsl-sii902x.c
> 
> I don't know how you picked the names of the people you sent this patch
> to, but looks to me that most of them are probably not interested in
> this patch.
> 

I just using the get_maintainer.pl script.


> Anyway, a few quick comments on the patch:
> 
> - You should probably use regmap instead of direct i2c calls.
> Interestingly, you define regmap variable, but you never use it.

Yes, this it's my another version in my local machine using regmap which
need much more test.

> - Use defines for register offsets, instead of magic numbers.

This will be fixed together with regmap using.

> - You should not use static variables. They prevent having multiple
> instances of the device.
> 

Okay.

> So the SiI902x chip is on the SoC, not on the board? And it's a plain
> standard SiI902x in other aspects?
> 

No, it's on board.

And it will be used for i.MX and LS1+ platforms.

Thanks,

BRs
Xiubo
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