From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 05273E00A7B; Wed, 21 Oct 2015 06:57:02 -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] X-Greylist: delayed 487 seconds by postgrey-1.32 at yocto-www; Wed, 21 Oct 2015 06:57:00 PDT Received: from lists.s-osg.org (lists.s-osg.org [54.187.51.154]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id ECECAE00A70 for ; Wed, 21 Oct 2015 06:57:00 -0700 (PDT) Received: from [192.168.1.139] (211.178.21.95.dynamic.jazztel.es [95.21.178.211]) by lists.s-osg.org (Postfix) with ESMTPSA id 8F3B846270; Wed, 21 Oct 2015 06:48:51 -0700 (PDT) To: Andrei Gherzan 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> <55D1B054.2050403@osg.samsung.com> <55DB7DBA.7030902@osg.samsung.com> <20151021123216.GF5610@resin> From: Javier Martinez Canillas X-Enigmail-Draft-Status: N1110 Message-ID: <562797C0.3000303@osg.samsung.com> Date: Wed, 21 Oct 2015 15:48:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151021123216.GF5610@resin> Cc: Derek Foreman , Mauro Carvalho Chehab , "yocto@yoctoproject.org" 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: Wed, 21 Oct 2015 13:57:02 -0000 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Hello Andrei, On 10/21/2015 02:32 PM, Andrei Gherzan wrote: > Hello Javier, > > On Mon, Aug 24, 2015 at 10:25:30PM +0200, Javier Martinez Canillas wrote: >> Hello, >> >> On 08/17/2015 11:58 AM, Javier Martinez Canillas wrote: >>> On 08/17/2015 09:57 AM, Andrei Gherzan wrote: >>>> On Thursday, August 13, 2015, Khem Raj wrote: >> >> [snip] >> >>>>>> >>>>>> +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? >>> >> > > Really sorry on this late reply. So my only recommendation is to move things No worries, I've also been very busy with other stuff. > you wrote in 3/4 in the 4/4 (README). Basically you would describe what a user > needs to overwrite as providers in order to use VC4 as graphics stack. > Ok, I'm traveling to Korea next week for KLF and KS so I'll probably resend a v3 (addressing your suggestions) later next week when I'm back. > As well, how do you handle the devicetrees for 4.1? Aren't changed in 4+? > For now, I'm defining a KERNEL_DEVICETREE in my conf/local.conf file since that is what was agreed with Petter Mabäcker on v1 of this series [0 and I also mentioned in the cover letter [1]. But the new device tree overlay dir layout is not only for 4+ but also it is used in the latest version of the older branches. So once all recipes' SRCREV are bumped, overwriting the variable won't be necessary anymore. >> Gentle ping about this. Thanks! >> >> Best regards, >> -- >> Javier Martinez Canillas >> Open Source Group >> Samsung Research America > > -- > Andrei Gherzan > [0]: https://lists.yoctoproject.org/pipermail/yocto/2015-August/025961.html [1]: https://lists.yoctoproject.org/pipermail/yocto/2015-August/026151.html Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America