[PATCH 0/8] drm/sun4i: Make both display pipeline work together

[Maxime Ripard]

Hi,

On Fri, Sep 08, 2017 at 03:50:08PM +0800, Chen-Yu Tsai wrote:
> Hi everyone,
> 
> Previously I added support for two display pipelines for the sun4i-drm
> driver. At the time we did not have support for downstream encoders to
> actually test the second pipeline, nor having both pipelines active at
> the same time.
> 
> With HDMI encoder support now merged and support for it on sun6i in
> progress, we are now able to test both pipelines being active at the
> same time, with LCD output from one and HDMI from the other. Testing
> has revealed some more issues, such as component probing order. Also,
> we found out that muxing between the display backend and TCON was
> possible, and required for the second pipeline to work as intended.
> Last, the number of CRTCs provided to drm_vblank_init needs to be
> increased for vblanks to work properly.
> 
> This patch series does a few things:
> 
>   - Fix endpoint IDs so they conform to what the DT binding stipulates.
> 
>   - Change the order the individual components are queued up.
> 
>   - Fix how the TCON gets its ID when the backend-TCON mux is present.
> 
>   - Support the input mux in the TCON (which selects which backend to
>     use on the A31/A31s).
> 
>   - Fix the drm_vblank_init call and pass the correct number of crtcs.
> 
>   - Add the cross pipeline connections between the DRCs and TCONs on
>     the A31, conforming to the DT binding and what the hardware is
>     capable of.
> 
> More details are available in each individual commit. Please have a look.

I've applied all the commits, with:
patch 1 in our arm-soc fixes branch
patch 2-7 in drm-misc-next
patch 8 in sunxi/dt-for-4.15.

I have a minor comment on one patch that can be fixed in a followup
patch, so please have a look at my other mail.

Thanks for this great work,
Maxime

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