From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id DFEDCE00AAF; Mon, 17 Aug 2015 02:58:52 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low * trust * [54.187.51.154 listed in list.dnswl.org] * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from lists.s-osg.org (lists.s-osg.org [54.187.51.154]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 91699E00A9C for ; Mon, 17 Aug 2015 02:58:49 -0700 (PDT) Received: from [192.168.1.132] (95.111.23.95.dynamic.jazztel.es [95.23.111.95]) by lists.s-osg.org (Postfix) with ESMTPSA id A3DA2462CB; Mon, 17 Aug 2015 02:58:47 -0700 (PDT) To: Andrei Gherzan , Khem Raj References: <1439485643-31467-1-git-send-email-javier@osg.samsung.com> <1439485643-31467-5-git-send-email-javier@osg.samsung.com> <2A2C0AE8-7998-4E9E-BCD1-C4526449F31D@gmail.com> From: Javier Martinez Canillas X-Enigmail-Draft-Status: N1110 Message-ID: <55D1B054.2050403@osg.samsung.com> Date: Mon, 17 Aug 2015 11:58:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 MIME-Version: 1.0 In-Reply-To: Cc: "yocto@yoctoproject.org" , Derek Foreman , Mauro Carvalho Chehab Subject: Re: [meta-raspberrypi][PATCH v2 4/4] README: Add a section about graphic stacks X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Aug 2015 09:58:52 -0000 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hello Andrei and Khem, Thanks a lot for your feedback. On 08/17/2015 09:57 AM, Andrei Gherzan wrote: > Hello, > > On Thursday, August 13, 2015, Khem Raj wrote: > >> >>> On Aug 13, 2015, at 10:07 AM, Javier Martinez Canillas < >> javier@osg.samsung.com > wrote: >>> >>> This patch adds to the README a section that explains the RPi can >> different >>> graphics stacks and that the user can choose by manually changing >> providers. >>> >>> Signed-off-by: Javier Martinez Canillas > > >>> >>> --- >>> >>> Changes in v2: None >>> >>> README | 9 +++++++++ >>> 1 file changed, 9 insertions(+) >>> >>> diff --git a/README b/README >>> index 678c0eb4a4e3..0569b353870c 100644 >>> --- a/README >>> +++ b/README >>> @@ -25,6 +25,7 @@ Contents: >>> 2.K. Boot to U-Boot >>> 2.L. Image with Initramfs >>> 2.M. Device tree support >>> + 2.O. Graphic stacks >>> 3. Extra apps >>> 3.A. omxplayer >>> 4. Source code and mirrors >>> @@ -195,6 +196,14 @@ kernels. >>> NOTE: KERNEL_DEVICETREE is default enabled for kernel >= 3.18 and always >> disabled for >>> older kernel versions. >>> >>> +2.O. Graphic stacks >>> +=================== >>> +The Raspberry Pi boards can use one of two graphics stacks: The userland >>> +user-space driver or the vc4 DRM/KMS kernel driver. By default userland >>> +is used since the vc4 is still experimental. But this can be changed by >>> +modifying the defaults for the kernel, egl, gles2, libgl and mesa >> providers. >>> +This is explained in the conf/machine/include/rpi-default-providers.inc >> file. >>> + >> >> you may want to add pointer to the commented out code that you have added >> to select them >> in rpi-default-providers.inc >> > > It would be nice to have some detailed info on what and where to comment > out the configuration. > On patch 3/4 I added that documentation to rpi-default-providers but didn't add it to the README and instead pointed out to rpi-default-providers to have a level of indirection in case the providers change and to not have duplicated information but I will add it to the README as well. Do you have comments on the other patches in the series so I can address all of them before re-spinning? > -- > Andrei Gherzan > > Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America