linux-kernel - Re: [PATCH v12 0/18] Add Analogix Core Display Port Driver

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Date:	Wed, 13 Jan 2016 15:59:51 +0100
From:	Heiko Stuebner <heiko@...ech.de>
To:	Yakir Yang <ykk@...k-chips.com>
Cc:	Inki Dae <inki.dae@...sung.com>,
	Mark Yao <mark.yao@...k-chips.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	emil.l.velikov@...il.com,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Kishon Vijay Abraham I <kishon@...com>,
	javier@....samsung.com, Andy Yan <andy.yan@...k-chips.com>,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v12 0/18] Add Analogix Core Display Port Driver

Hi Yakir,

Am Mittwoch, 23. Dezember 2015, 20:25:38 schrieb Yakir Yang:
>    The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller
> share the same IP, so a lot of parts can be re-used. I split the common
> code into bridge directory, then rk3288 and exynos only need to keep
> some platform code. Cause I can't find the exact IP name of exynos dp
> controller, so I decide to name dp core driver with "analogix" which I
> find in rk3288 eDP TRM

could you rebase your patches on top of Dave's drm-next branch [0] please?
The exynos part got some const attributes for the *_func_ops structs and 
drm_encoder_init got an additional parameter.
I'm still hoping that we can get this finally committed once 4.5-rc1 is 
released in 1.5 weeks :-) .

I did try to merge things together [1], the system at least comes up and 
detects the panel (EDID is read correctly and it turns the backlight on) but 
I don't see any output on the display - hdmi works fine though and X11 is 
claiming everything to be fine in both cases.

So I don't know yet if I made a mistake when putting this together or there 
is an issue on the driver-side.

Thanks
Heiko

[0] http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next
[1] https://github.com/mmind/linux-rockchip/tree/tmp/analogixdp_v12-veyron
I left out patch16, per your talk with Jingoo and me not seeing any AUX CH 
errors without it.