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

From: Maxime Ripard
Date: Thu Mar 09 2017 - 05:30:59 EST

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.


Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering

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