linux-kernel - Re: [PATCH v8 02/17] drm: bridge: analogix/dp: split exynos dp driver to bridge directory

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Date:	Thu, 26 Nov 2015 18:30:52 +0100
From:	Heiko Stübner <heiko@...ech.de>
To:	Yakir Yang <ykk@...k-chips.com>
Cc:	Inki Dae <inki.dae@...sung.com>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Yao <mark.yao@...k-chips.com>,
	Russell King <linux@....linux.org.uk>, djkurtz@...omium.org,
	dianders@...omium.org, Sean Paul <seanpaul@...omium.org>,
	Kukjin Kim <kgene@...nel.org>,
	Kumar Gala <galak@...eaurora.org>, emil.l.velikov@...il.com,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Kishon Vijay Abraham I <kishon@...com>,
	Pawel Moll <pawel.moll@....com>, ajaynumb@...il.com,
	robherring2@...il.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 v8 02/17] drm: bridge: analogix/dp: split exynos dp driver to bridge directory

Hi Yakir,

Am Mittwoch, 28. Oktober 2015, 16:21:59 schrieb Yakir Yang:
> Split the dp core driver from exynos directory to bridge directory,
> and rename the core driver to analogix_dp_*, rename the platform
> code to exynos_dp.
> 
> Beside the new analogix_dp driver would export four hooks.
> "analogix_dp_bind()" and "analogix_dp_unbind()"
> "analogix_dp_detect()" and "analogix_dp_get_modes()"
> 
> The bind/unbind symbols is used for analogix platform driver to connect
> with analogix_dp core driver. And the detect/get_modes is used for analogix
> platform driver to init the connector.
> 
> They reason why connector need register in helper driver is rockchip drm
> haven't implement the atomic API, but Exynos drm have implement it, so
> there would need two different connector helper functions, that's why we
> leave the connector register in helper driver.
> 
> Tested-by: Javier Martinez Canillas <javier@....samsung.com>
> Signed-off-by: Yakir Yang <ykk@...k-chips.com>

[...]

> diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
> index bd1a415..5f74f80 100644
> --- a/drivers/gpu/drm/exynos/Kconfig
> +++ b/drivers/gpu/drm/exynos/Kconfig
> @@ -55,8 +55,9 @@ config DRM_EXYNOS_DSI
>  	  This enables support for Exynos MIPI-DSI device.
> 
>  config DRM_EXYNOS_DP
> -	bool "EXYNOS DRM DP driver support"
> +	bool "EXYNOS specific extensions for Analogix DP driver"
>  	depends on DRM_EXYNOS && (DRM_EXYNOS_FIMD || DRM_EXYNOS7_DECON)
> +	select DRM_ANALOGIX_DP
>  	default DRM_EXYNOS
>  	select DRM_PANEL
>  	help

This doesn't apply anymore to 4.4-rc due to other changes in there. The 
exynos/Makefile is affected as well.

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