linux-kernel - Re: [PATCH 00/11] drm/sun4i: Support two display pipelines

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Date:   Thu, 9 Mar 2017 11:29:58 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
        linux-sunxi@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/11] drm/sun4i: Support two display pipelines

On Thu, Mar 09, 2017 at 06:05:23PM +0800, Chen-Yu Tsai wrote:
> Hi Maxime,
> 
> This is part 3 of my sun4i drm clean up series. In this part support
> for 2 display pipelines is added, after some more code cleanups and
> restructuring.
> 
> While this series enables the second display pipeline, there's no
> usable output at the moment. For the A31, the second TCON's panel
> interface uses the same pins as the Ethernet controller. However
> Ethernet is used on most boards. We will have to wait for HDMI
> support to actually use it.
> 
> Patch 1 fixes the TCON's clock and regmap initialization sequence,
> splitting out the dot clock init part till after the regmap.
> 
> Patch 2 fixes a comment spotted while reviewing Maxime's HDMI patches.
> 
> Patch 3 makes the crtc init code use the tcon pointer embedded in the
> crtc structure, instead of the sun4i_drv structure, to get the tcon's
> output port node. This should have been a part of the last batch of
> patches.
> 
> Patch 4 makes the tv encoder code get the tcon and backend pointers
> from its attached crtc.
> 
> Patch 5 makes the crtc init function take tcon and backend pointers.
> 
> Patch 6 makes the layer init functions take a backend pointer.

Applied the patches up to this one, see my comments for the rest of
the patches.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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