From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: [v14, 01/17] drm: bridge: analogix/dp: split exynos dp driver to bridge directory Date: Wed, 30 Mar 2016 13:32:04 -0700 Message-ID: <20160330203204.GA24156@roeck-us.net> References: <1455534576-1486-1-git-send-email-ykk@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1455534576-1486-1-git-send-email-ykk-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Yakir Yang Cc: Inki Dae , Andrzej Hajda , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Jingoo Han , Thierry Reding , Krzysztof Kozlowski , Rob Herring , Heiko Stuebner , Mark Yao , Russell King , djkurtz-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Sean Paul , Kukjin Kim , Kumar Gala , emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Ian Campbell , Gustavo Padovan , Kishon Vijay Abraham I , Pawel Moll , ajaynumb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, javier-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org, Andy Yan List-Id: devicetree@vger.kernel.org Hi, On Mon, Feb 15, 2016 at 07:09:36PM +0800, Yakir Yang wrote: > 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 six hooks. > "analogix_dp_bind()" and "analogix_dp_unbind()" > "analogix_dp_suspned()" and "analogix_dp_resume()" > "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. > > Signed-off-by: Yakir Yang > [ ... ] > diff --git a/drivers/gpu/drm/bridge/analogix/Makefile b/drivers/gpu/drm/bridge/analogix/Makefile > new file mode 100644 > index 0000000..9107b86 > --- /dev/null > +++ b/drivers/gpu/drm/bridge/analogix/Makefile > @@ -0,0 +1 @@ > +obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix_dp_core.o analogix_dp_reg.o This results in the following build errors if DRM_ANALOGIX_DP is configured as module. ERROR: "analogix_dp_start_video" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! ERROR: "analogix_dp_get_lane0_link_training" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! ERROR: "analogix_dp_get_lane1_link_training" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! ERROR: "analogix_dp_get_lane2_link_training" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! ERROR: "analogix_dp_get_lane3_link_training" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! ERROR: "analogix_dp_get_lane_count" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! ERROR: "analogix_dp_get_link_bandwidth" [drivers/gpu/drm/bridge/analogix/analogix_dp_core.ko] undefined! [ and so on ] It should probably be something like analogix_dp-objs := analogix_dp_core.o analogix_dp_reg.o obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix_dp.o Guenter -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html