From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A30C7C33C9E for ; Wed, 8 Jan 2020 12:06:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 752F4206DA for ; Wed, 8 Jan 2020 12:06:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="njNqP8Jv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 752F4206DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:References:To:From:Subject:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=dEtZNyaX3s205aiszlTMNnq4HacqgrAbWbTcg20T/ig=; b=njNqP8Jv9rDHAxFyN8n7pLJHnf 2TfGi6B5yvtsmIF1g3Kv5zcNsYiJJKRDu4f01Bt1Ot5lRP/C1HAuKS0+cBKGIAbiJVemvtJf14Ko4 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linux-mediatek@lists.infradead.org References: <1578365790.28495.13.camel@mtksdaap41> Autocrypt: addr=matthias.bgg@gmail.com; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 1ntn9O/39KqSrWNGvm+1raHK+Ev1yPtn0Wxn+0oy1tl67TxUjQARAQABtClNYXR0aGlhcyBC cnVnZ2VyIDxtYXR0aGlhcy5iZ2dAZ21haWwuY29tPokCUgQTAQIAPAIbAwYLCQgHAwIGFQgC 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sfid-20200108_040554_855844_81D7FF45 X-CRM114-Status: GOOD ( 17.42 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 08/01/2020 12:14, Matthias Brugger wrote: > Hi CK, > > On 07/01/2020 03:56, CK Hu wrote: >> Hi, Dave, Daniel, Matthias: >> >> In mediatek-drm-next-5.6 [1], I've cherry-pick 3 patches from >> v5.5-next/soc [2] because some drm patches depend on these cmdq patches. >> So these cmdq patches exist in both tree now. I want to know how to >> process this case. I think we could choose one of below way: >> >> 1. Because these cmdq patches are identical in both tree, so each tree >> could do its own upstream and the there would be nothing happen when >> merge. >> 2. Let soc upstream first, and mediatek drm rebase on the latest >> mainline then upstream. >> >> Which one do you prefer? >> > > What we would need is a stable branch with this commits that get merged by both > trees. If I understand correctly that otherwise the SHA of the commits would be > different and that would provoke merge conflicts. > > We should not rely on one tree being merged before the other. AFAIK there is no > hard merge order between trees. > I prepared a branch with the patches I think are relevant for you. Please confirm that this is correct, merge the tree in yours and I'll do the same for v5.5-next/soc The following changes since commit e42617b825f8073569da76dc4510bfa019b1c35a: Linux 5.5-rc1 (2019-12-08 14:57:55 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/ tags/v5.5-next-cmdq-stable for you to fetch changes up to d412f18c9bc791d8951e903de9a68817e3098a6a: soc: mediatek: cmdq: add cmdq_dev_get_client_reg function (2020-01-08 12:59:57 +0100) ---------------------------------------------------------------- cmdq patches needed by drm driver to use cmdq interface ---------------------------------------------------------------- Bibby Hsieh (4): soc: mediatek: cmdq: remove OR opertaion from err return soc: mediatek: cmdq: define the instruction struct soc: mediatek: cmdq: add polling function soc: mediatek: cmdq: add cmdq_dev_get_client_reg function drivers/soc/mediatek/mtk-cmdq-helper.c | 147 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------- include/linux/mailbox/mtk-cmdq-mailbox.h | 11 ++++++ include/linux/soc/mediatek/mtk-cmdq.h | 53 +++++++++++++++++++++++++ 3 files changed, 185 insertions(+), 26 deletions(-) Regards, Matthias _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with 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relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E1AEDB272; Wed, 8 Jan 2020 12:05:52 +0000 (UTC) Subject: Re: Process identical patches in different tree From: Matthias Brugger To: CK Hu , Dave Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org References: <1578365790.28495.13.camel@mtksdaap41> Autocrypt: addr=matthias.bgg@gmail.com; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP 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y1UfYx7Vk/TrdwUIJgKS8QAr8Lw9WuvY2hSqL9vEjx8VAkPWNWPwrQ== Message-ID: Date: Wed, 8 Jan 2020 13:05:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 08/01/2020 12:14, Matthias Brugger wrote: > Hi CK, > > On 07/01/2020 03:56, CK Hu wrote: >> Hi, Dave, Daniel, Matthias: >> >> In mediatek-drm-next-5.6 [1], I've cherry-pick 3 patches from >> v5.5-next/soc [2] because some drm patches depend on these cmdq patches. >> So these cmdq patches exist in both tree now. I want to know how to >> process this case. I think we could choose one of below way: >> >> 1. Because these cmdq patches are identical in both tree, so each tree >> could do its own upstream and the there would be nothing happen when >> merge. >> 2. Let soc upstream first, and mediatek drm rebase on the latest >> mainline then upstream. >> >> Which one do you prefer? >> > > What we would need is a stable branch with this commits that get merged by both > trees. If I understand correctly that otherwise the SHA of the commits would be > different and that would provoke merge conflicts. > > We should not rely on one tree being merged before the other. AFAIK there is no > hard merge order between trees. > I prepared a branch with the patches I think are relevant for you. Please confirm that this is correct, merge the tree in yours and I'll do the same for v5.5-next/soc The following changes since commit e42617b825f8073569da76dc4510bfa019b1c35a: Linux 5.5-rc1 (2019-12-08 14:57:55 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/ tags/v5.5-next-cmdq-stable for you to fetch changes up to d412f18c9bc791d8951e903de9a68817e3098a6a: soc: mediatek: cmdq: add cmdq_dev_get_client_reg function (2020-01-08 12:59:57 +0100) ---------------------------------------------------------------- cmdq patches needed by drm driver to use cmdq interface ---------------------------------------------------------------- Bibby Hsieh (4): soc: mediatek: cmdq: remove OR opertaion from err return soc: mediatek: cmdq: define the instruction struct soc: mediatek: cmdq: add polling function soc: mediatek: cmdq: add cmdq_dev_get_client_reg function drivers/soc/mediatek/mtk-cmdq-helper.c | 147 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------- include/linux/mailbox/mtk-cmdq-mailbox.h | 11 ++++++ include/linux/soc/mediatek/mtk-cmdq.h | 53 +++++++++++++++++++++++++ 3 files changed, 185 insertions(+), 26 deletions(-) Regards, Matthias _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel