linux-kernel - Re: [PATCH v8 2/3] dt-bindings: video: Add for rockchip display subsytem

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Message-ID: <20140930081020.GE24667@phenom.ffwll.local>
Date:	Tue, 30 Sep 2014 10:10:20 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Mark Yao <mark.yao@...k-chips.com>
Cc:	heiko@...ech.de,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	David Airlie <airlied@...il.com>,
	Rob Clark <robdclark@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Grant Likely <grant.likely@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	John Stultz <john.stultz@...aro.org>,
	Rom Lemarchand <romlem@...gle.com>, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-api@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, dianders@...omium.org,
	marcheu@...omium.org, dbehr@...omium.org, olof@...om.net,
	djkurtz@...omium.org, xjq@...k-chips.com, kfx@...k-chips.com,
	cym@...k-chips.com, cf@...k-chips.com, zyw@...k-chips.com,
	xxm@...k-chips.com, huangtao@...k-chips.com,
	kever.yang@...k-chips.com, yxj@...k-chips.com, wxt@...k-chips.com,
	xw@...k-chips.com
Subject: Re: [PATCH v8 2/3] dt-bindings: video: Add for rockchip display
 subsytem

On Tue, Sep 30, 2014 at 02:14:19PM +0800, Mark Yao wrote:
> From: Mark yao <mark.yao@...k-chips.com>
> 
> This add a display subsystem comprise the all display interface nodes.
> 
> Signed-off-by: Mark Yao <mark.yao@...k-chips.com>
> Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>
> Acked-by: Daniel Vetter <daniel@...ll.ch>
> Reviewed-by: Rob Clark <robdclark@...il.com>

Just a quick clarification: My ack was only about the drm driver itself, I
try really hard to stay away from DT insanity ;-) So please drop my ack
from these two patches.

Aside: DT patches need to go through a special process and you must cc dt
maintainers and mailing lists. Your patch seems to lack this, which afaiui
is a blocker for merging the driver.

Thanks, Daniel

> ---
> Changes in v2:
> - add DRM master device node to list all display nodes that comprise
>   the graphics subsystem.
> 
> Changes in v3: None
> 
> Changes in v4: None
> 
> Changes in v5: None
> 
> Changes in v6: None
> 
> Changes in v7: None
> 
> Changes in v8: None
> 
>  .../devicetree/bindings/video/rockchip-drm.txt     |   19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/video/rockchip-drm.txt
> 
> diff --git a/Documentation/devicetree/bindings/video/rockchip-drm.txt b/Documentation/devicetree/bindings/video/rockchip-drm.txt
> new file mode 100644
> index 0000000..7fff582
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/rockchip-drm.txt
> @@ -0,0 +1,19 @@
> +Rockchip DRM master device
> +================================
> +
> +The Rockchip DRM master device is a virtual device needed to list all
> +vop devices or other display interface nodes that comprise the
> +graphics subsystem.
> +
> +Required properties:
> +- compatible: Should be "rockchip,display-subsystem"
> +- ports: Should contain a list of phandles pointing to display interface port
> +  of vop devices. vop definitions as defined in
> +  Documentation/devicetree/bindings/video/rockchip-vop.txt
> +
> +example:
> +
> +display-subsystem {
> +	compatible = "rockchip,display-subsystem";
> +	ports = <&vopl_out>, <&vopb_out>;
> +};
> -- 
> 1.7.9.5
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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