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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7045BEB64D9 for ; Tue, 27 Jun 2023 14:20:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4A56D10E2F1; Tue, 27 Jun 2023 14:20:22 +0000 (UTC) Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by gabe.freedesktop.org (Postfix) with ESMTP id AF8B610E2EB; Tue, 27 Jun 2023 14:20:19 +0000 (UTC) Received: from loongson.cn (unknown [10.20.42.43]) by gateway (Coremail) with SMTP id _____8CxpMQh8JpkmSYDAA--.4997S3; Tue, 27 Jun 2023 22:20:17 +0800 (CST) Received: from [10.20.42.43] (unknown [10.20.42.43]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cx7yMh8Jpk41gMAA--.9031S3; Tue, 27 Jun 2023 22:20:17 +0800 (CST) Message-ID: <628f718b-bcbc-6a3b-6e7f-40148160b5b7@loongson.cn> Date: Tue, 27 Jun 2023 22:20:17 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v7 8/8] drm/radeon: Implement the is_boot_device callback function Content-Language: en-US To: Sui Jingfeng <15330273260@189.cn>, Bjorn Helgaas References: <20230613030151.216625-1-15330273260@189.cn> <20230613030151.216625-9-15330273260@189.cn> From: Sui Jingfeng Organization: Loongson In-Reply-To: <20230613030151.216625-9-15330273260@189.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CM-TRANSID: AQAAf8Cx7yMh8Jpk41gMAA--.9031S3 X-CM-SenderInfo: xvxlyxpqjiv03j6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBj9xXoWrXrykAr1fCw4kWr1xAw43Jwc_yoWxXFc_Wr Z2k3ykC3W8XFZ7XFW2q398CrySyayrAryUJwnrtFn7W342kr4qvF1Du3sYqFy3A3W7Cr13 Wrn8tw4jya45ZosvyTuYvTs0mTUanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbgxYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1ln4kS14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q 6rW5McIj6I8E87Iv67AKxVWxJVW8Jr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI4 8JMxk0xIA0c2IEe2xFo4CEbIxvr21lc7CjxVAaw2AFwI0_JF0_Jw1l42xK82IYc2Ij64vI r41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xFxVAFwI0_JF0_Jw1lx2IqxVAqx4xG67 AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MIIY rxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14 v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWxJVW8 Jr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x07j873 kUUUUU= 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: , Cc: linux-fbdev@vger.kernel.org, kvm@vger.kernel.org, nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Pan Xinhui , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-pci@vger.kernel.org, Alex Deucher , Christian Konig Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" PING ? On 2023/6/13 11:01, Sui Jingfeng wrote: > From: Sui Jingfeng > > [why] > > The vga_is_firmware_default() defined in drivers/pci/vgaarb.c is > arch-dependent, it's a dummy on non-x86 architectures currently. > This made VGAARB lost an important condition for the arbitration. > It could still be wrong even if we remove the #ifdef and #endif guards. > because the PCI bar will move (resource re-allocation). > > [how] > > The device that owns the firmware framebuffer should be the default boot > device. This patch adds an arch-independent function to enforce this rule -- Jingfeng