From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inki Dae Subject: RE: [PATCH v2 2/2] drm/exynos: Add device tree based discovery support for G2D Date: Wed, 06 Feb 2013 20:47:52 +0900 Message-ID: <02f801ce045f$cbb9f8d0$632dea70$%dae@samsung.com> References: <1360128584-23167-1-git-send-email-sachin.kamat@linaro.org> <1360128584-23167-2-git-send-email-sachin.kamat@linaro.org> <02a301ce043c$1b12d150$513873f0$%dae@samsung.com> <02af01ce0447$37c26940$a7473bc0$%dae@samsung.com> <51123D34.5020404@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <51123D34.5020404@samsung.com> Content-language: ko Sender: linux-media-owner@vger.kernel.org To: 'Sylwester Nawrocki' Cc: 'Sachin Kamat' , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree-discuss@lists.ozlabs.org, k.debski@samsung.com, kgene.kim@samsung.com, patches@linaro.org, 'Ajay Kumar' , kyungmin.park@samsung.com, sw0312.kim@samsung.com, jy0922.shim@samsung.com, 'Rahul Sharma' List-Id: devicetree@vger.kernel.org > -----Original Message----- > From: linux-media-owner@vger.kernel.org [mailto:linux-media- > owner@vger.kernel.org] On Behalf Of Sylwester Nawrocki > Sent: Wednesday, February 06, 2013 8:24 PM > To: Inki Dae > Cc: 'Sachin Kamat'; linux-media@vger.kernel.org; dri- > devel@lists.freedesktop.org; devicetree-discuss@lists.ozlabs.org; > k.debski@samsung.com; kgene.kim@samsung.com; patches@linaro.org; 'Ajay > Kumar'; kyungmin.park@samsung.com; sw0312.kim@samsung.com; > jy0922.shim@samsung.com > Subject: Re: [PATCH v2 2/2] drm/exynos: Add device tree based discovery > support for G2D > > On 02/06/2013 09:51 AM, Inki Dae wrote: > [...] > > I think that it's better to go to gpu than media and we can divide > Exynos > > IPs into the bellow categories, > > > > Media : mfc > > GPU : g2d, g3d, fimc, gsc > > Heh, nice try! :) GPU and FIMC ? FIMC is a camera subsystem (hence 'C' > in the acronym), so what it has really to do with GPU ? All right, this IP > has really two functions: camera capture and video post-processing > (colorspace conversion, scaling), but the main feature is camera capture > (fimc-lite is a camera capture interface IP only). > > Also, Exynos5 GScaler is used as a DMA engine for camera capture data > pipelines, so it will be used by a camera capture driver as well. It > really belongs to "Media" and "GPU", as this is a multifunctional > device (similarly to FIMC). > > So I propose following classification, which seems less inaccurate: > > GPU: g2d, g3d > Media: mfc, fimc, fimc-lite, fimc-is, mipi-csis, gsc > Video: fimd, hdmi, eDP, mipi-dsim > Ok, it seems that your propose is better. :) To Sachin, Please add g2d document to .../bindings/gpu To Rahul, Could you please move .../drm/exynos/* to .../bindings/video? Probably you need to rename the files there to exynos*.txt If there are no other opinions, let's start :) Thanks, Inki Dae > I have already a DT bindings description prepared for fimc [1]. > (probably it needs to be rephrased a bit not to refer to the linux > device model). I put it in Documentation/devicetree/bindings/media/soc, > but likely there is no need for the 'soc' subdirectory... > > > Video : fimd, hdmi, eDP, MIPI-DSI > > > > And I think that the device-tree describes hardware so possibly, all > > documents in .../bindings/drm/exynos/* should be moved to proper place > also. > > Please give me any opinions. > > Yes, I agree. If possible, it would be nice to have some Linux API > agnostic locations. > > [1] goo.gl/eTGOl > > -- > > Thanks, > Sylwester > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html