From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 0B3F3E00B58; Sat, 24 Oct 2015 13:09:36 -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 * [209.85.212.179 listed in list.dnswl.org] * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id B1C4FE00473 for ; Sat, 24 Oct 2015 13:09:31 -0700 (PDT) Received: by wicfv8 with SMTP id fv8so70026775wic.0 for ; Sat, 24 Oct 2015 13:09:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-type:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=FiUOzneOaZxTQULYanvHEa3sbX+0OJOJw7hBq7DPuKg=; b=FutIPog54SdwyyznES0lzHStd6TQMARRFVBEJDV1Xg2gjtr5qRbyhnPJhmVNsfpLR8 zJjAVixhyfuBDUe7A+DWaLT6WU7qKhwRMUB9LfdBBedqi8dejEDPl+nrJZdX4XEEKET5 AiMSzDwsc1BGL4K9+kDw15LBCRfi2mGwDibYy65m9I1OiG/vtK9/0//RQQ6J9TSU6HrZ /wThqSztDwPTm2WNdkdpnSzzKaVCzTIcV9jzQ473Z7yP/tTGCRnI3QUqwKx65pecmvsP /BoW/ce2heicW0DYZz6zbgwsi0+4GRd6WVqK24QQwe3nnhxrU7KOUcwPdcgLKpXts7Vz id9w== X-Gm-Message-State: ALoCoQk6KsenzemMPzwDV6nnWdyYG+6Kg2M1d8wH8HzoYE9g+EFR2NXURgII5hb1RcO2bLZOf3WE X-Received: by 10.194.57.142 with SMTP id i14mr13358215wjq.24.1445717371069; Sat, 24 Oct 2015 13:09:31 -0700 (PDT) Received: from resin (dslb-088-067-185-162.088.067.pools.vodafone-ip.de. [88.67.185.162]) by smtp.gmail.com with ESMTPSA id q11sm7253661wik.1.2015.10.24.13.09.29 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 24 Oct 2015 13:09:29 -0700 (PDT) Date: Sat, 24 Oct 2015 22:09:27 +0200 From: Andrei Gherzan To: Javier Martinez Canillas Message-ID: <20151024200927.GF4459@resin> References: <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> <562797C0.3000303@osg.samsung.com> <5627A8FA.9060006@osg.samsung.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) 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: Sat, 24 Oct 2015 20:09:36 -0000 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit On Wed, Oct 21, 2015 at 05:47:55PM +0200, Andrei Gherzan wrote: > On Wed, Oct 21, 2015 at 5:02 PM, Javier Martinez Canillas > wrote: > > Hello Andreas, > > > > On 10/21/2015 04:55 PM, Andreas Müller wrote: > >> On Wed, Oct 21, 2015 at 3:48 PM, Javier Martinez Canillas > >> wrote: > >>> 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 > >> When reworking: If I am not mistaken there is a chance that > >> modesetting will work when using latest kernel versions from Eric > >> Anholt. So would you mind to rebase the patches to these changes? I > >> would again play tester role. > >> > > > > Yes, I will. I know Derek was also playing with Eric's latest branch > > so I'll coordinate with him and bump the sha-1 id if necessary. > > > > In the meanwhile I will add 4.X support. Finally? > > -- > Andrei Gherzan Done. Waiting for the next patch set of VC4. Thanks. -- Andrei Gherzan