Message ID | 20211215010008.2545520-14-javierm@redhat.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show
Return-Path: <dri-devel-bounces@lists.freedesktop.org> 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 C5C4EC433F5 for <dri-devel@archiver.kernel.org>; Wed, 15 Dec 2021 01:01:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ACE4910E125; Wed, 15 Dec 2021 01:01:14 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4F39210E147 for <dri-devel@lists.freedesktop.org>; Wed, 15 Dec 2021 01:01:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639530063; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CQTCDPDBHdP0UJYByXzA6Uzoj2dEWXGaiTwokgt/R5E=; b=PK5uPA8aoucpi/5693M3Q1NnAgU53jMiQTy/Y+D6OsUORWTEwyQ3XUCwHs3rn82TLwh7B6 xBaLGGF8lzIloWEk4ex1Cm/34KxnUtjh7cO9yOErl4BRaedNm2NzP4fLNcq5vlo0Dni1zz 6jTSYWqrw0/wKFLRMaXxoXY4BUp/qhg= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-121-K2NCVrTsPf2OkTuumiHfLQ-1; Tue, 14 Dec 2021 20:01:02 -0500 X-MC-Unique: K2NCVrTsPf2OkTuumiHfLQ-1 Received: by mail-wr1-f72.google.com with SMTP id d3-20020adfa343000000b0018ed6dd4629so5378589wrb.2 for <dri-devel@lists.freedesktop.org>; Tue, 14 Dec 2021 17:01:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CQTCDPDBHdP0UJYByXzA6Uzoj2dEWXGaiTwokgt/R5E=; b=oiuH9creereoOsk98MLi4MuyGzNMqGceW5zzNDiFQXBk4g2pyf3QXWWRGy1LDeJx8A 3hEmvKM13XjtmG6K5o/NKK/auKb40Zru0qHKe5g9VTOHon5NUe0i3RqdZxOHZUSMsQdr +Y+WB2tMxLuCkKykOV7ELr3q/5+NqQqPPk7XpWQ0xpNz6Xz4onODIfLOqN2mAHZ5zMej 5JvLlrWU9IyV/+TuKgKoLyNti+bbVtu3k1BqfBLUIahaFVvGzGzw8lfMWxWHVjBY24oD UABH0bBC+VwlpRASxzY+47bFzH4knwe54OhYXXiG7I8/p9N8EnyGLdlgaGK9/NrVcb8s ZH/w== X-Gm-Message-State: AOAM531qUWAOzeDVX8WuPewJ7qW9eLXjv+nnF5RUSDD/qU5ZmW6f3QJb w1ql5WiGZ0zYnwZJn5KRCG2VoXZXWNvEk7UHSzjGiM45ieexYmk5O/7/z9ExcgRlMp9rBo/Z7WF iFUpsTluzJ3abEAPxNnz9c0MIJ6xu X-Received: by 2002:a5d:64c4:: with SMTP id f4mr2273642wri.6.1639530061223; Tue, 14 Dec 2021 17:01:01 -0800 (PST) X-Google-Smtp-Source: ABdhPJzhy2UBePDn0sBvMQOB1g4jRXeSL9+JYzQTE4Jd1KtFit6X1vewED3OTBsnEbs0L1aGf4sjlg== X-Received: by 2002:a5d:64c4:: with SMTP id f4mr2273630wri.6.1639530061010; Tue, 14 Dec 2021 17:01:01 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id o64sm334543wme.28.2021.12.14.17.01.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 17:01:00 -0800 (PST) From: Javier Martinez Canillas <javierm@redhat.com> To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 13/60] drm/hisilicon/kirin: Add support for the nomodeset kernel parameter Date: Wed, 15 Dec 2021 01:59:21 +0100 Message-Id: <20211215010008.2545520-14-javierm@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211215010008.2545520-1-javierm@redhat.com> References: <20211215010008.2545520-1-javierm@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=javierm@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: Xinliang Liu <xinliang.liu@linaro.org>, Tian Tao <tiantao6@hisilicon.com>, Javier Martinez Canillas <javierm@redhat.com> Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> |
Series |
drm: Make all drivers to honour the nomodeset parameter
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diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c index 98ae9a48f3fe..2f4c81dc8681 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c @@ -274,6 +274,9 @@ static int kirin_drm_platform_probe(struct platform_device *pdev) struct component_match *match = NULL; struct device_node *remote; + if (drm_firmware_drivers_only()) + return -ENODEV; + remote = of_graph_get_remote_node(np, 0, 0); if (!remote) return -ENODEV;
According to disable Documentation/admin-guide/kernel-parameters.txt, this parameter can be used to disable kernel modesetting. DRM drivers will not perform display-mode changes or accelerated rendering and only the systewm system framebuffer will be available if it was set-up. But only a few DRM drivers currently check for nomodeset, make this driver to also support the command line parameter. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> --- drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 3 +++ 1 file changed, 3 insertions(+)