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 1C8E4C4332F for ; Fri, 17 Dec 2021 00:39:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 45B4B10E2D1; Fri, 17 Dec 2021 00:38:35 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id EBF0110E246 for ; Fri, 17 Dec 2021 00:38:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639701511; 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=A01Ev1RLvxyt82eZGFo2uP87MzinUPDeffH9HM1ovKM=; b=PF/98nzUmHwH9t7scpUD28fTzex76rPWpfqsi2RG62RuRB99anVyrp9cEu1DO1lT7BEBz0 lTyMZ/FnGTZCVZTJgZAwy2itNNY6M+ARJKNaq00LNDf7RjylltS667+9xHiNE6TOf+n6dA riXJcF9f9ttvQS8nRJomPGd0x5Oh6+U= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-250-6v1uC_6wNqeZ1TKMosGk2g-1; Thu, 16 Dec 2021 19:38:29 -0500 X-MC-Unique: 6v1uC_6wNqeZ1TKMosGk2g-1 Received: by mail-wm1-f72.google.com with SMTP id j20-20020a05600c1c1400b00343ad0c4c40so2102699wms.0 for ; Thu, 16 Dec 2021 16:38:29 -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=A01Ev1RLvxyt82eZGFo2uP87MzinUPDeffH9HM1ovKM=; b=5JnVJwEAaPchYXA6VrWM3s4XF0+Q25knRURd44cANiIf8S+HeHCRPjOx7kRf77TxBg 7l5VqgA8Urh36K0AHGlvrccN4aO4Lxdk+5CukH6y47FYd2FWRvOaE5fq0HrExm2jl/kE wALkRreu01ASNHIjMKOYum2m9RUyWlefUc0dahAmOjIkk4jwZ+G4jdzrgQImNwUFxNjf JIcMMTVc+otE20CRtQIT/tL5iu/7mS9kZtICII6h39VWfJAURJ26KxqdInEfnNbAYaq+ fVu1qL64ULFEgzzYilFd6ZyBSyeS7K081XY6TxAUXHeHwLzDJHIKiybMef9UDhuL0Bz9 xAJw== X-Gm-Message-State: AOAM5321lJ2vHwLKjGeDFVEHw5UcjGMMS2Az69T6hWC6UB06if6mPe/H zux0DdQFXfNoUqaJaILKlZylGgBDN/4WF8WS8Fe2gnpA8/srYaZy1Z7xNM2Yc4SUsWkJPQHXnY8 yEb/jFAItlw4ujnR7xCLZc2YVexk8 X-Received: by 2002:a05:6000:1869:: with SMTP id d9mr378203wri.416.1639701508554; Thu, 16 Dec 2021 16:38:28 -0800 (PST) X-Google-Smtp-Source: ABdhPJw3FL49j/6BhFXA9xM36BJ50ni1jnBa0VBdSkEYAvHATpp+oC/TCM7yUjqhtSUTJHdRddpaeg== X-Received: by 2002:a05:6000:1869:: with SMTP id d9mr378198wri.416.1639701508357; Thu, 16 Dec 2021 16:38:28 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id bg12sm7368433wmb.5.2021.12.16.16.38.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Dec 2021 16:38:28 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v2 31/37] drm: rcar-du: Add support for the nomodeset kernel parameter Date: Fri, 17 Dec 2021 01:37:46 +0100 Message-Id: <20211217003752.3946210-32-javierm@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211217003752.3946210-1-javierm@redhat.com> References: <20211217003752.3946210-1-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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kieran Bingham , Javier Martinez Canillas , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 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 --- (no changes since v1) drivers/gpu/drm/rcar-du/rcar_du_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 5a8131ef81d5..982e450233ed 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -701,6 +701,9 @@ static struct platform_driver rcar_du_platform_driver = { static int __init rcar_du_init(void) { + if (drm_firmware_drivers_only()) + return -ENODEV; + rcar_du_of_init(rcar_du_of_table); return platform_driver_register(&rcar_du_platform_driver); -- 2.33.1 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45718C433EF for ; Fri, 17 Dec 2021 00:39:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231536AbhLQAjL (ORCPT ); Thu, 16 Dec 2021 19:39:11 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:49988 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231428AbhLQAic (ORCPT ); Thu, 16 Dec 2021 19:38:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639701511; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=A01Ev1RLvxyt82eZGFo2uP87MzinUPDeffH9HM1ovKM=; b=K4xLmWWqFDXl52P1vpfe8PzD4310AzVfYDw3WI6JiMttXCCUYBoagrjqaeQeNrT3ZmGzj5 WKFWwRHqfGbtRDYrpDS01b6W3B811h2y/tvUAchuR8ii3kqaaUnAlMgWhqBgAx1bUczY7/ yJ4HgUT0zYpWwFHrfgh10LeA6TqOF40= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-117-aKGQ5SW6PS-bwtyWAngH6Q-1; Thu, 16 Dec 2021 19:38:29 -0500 X-MC-Unique: aKGQ5SW6PS-bwtyWAngH6Q-1 Received: by mail-wm1-f69.google.com with SMTP id 138-20020a1c0090000000b00338bb803204so399170wma.1 for ; Thu, 16 Dec 2021 16:38:29 -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=A01Ev1RLvxyt82eZGFo2uP87MzinUPDeffH9HM1ovKM=; b=NXYELZPLl+WXyofSfjI7MdzMU2fmG6hu0r9VsPjjA0/NdOzNzjA+BSEvjgavZu2UCb 5eCYe9uLmbkUiuideIe3emuA2EIhiECK06SXsu5b59T6FhOrnnuJqgSHq6tNMd4yihcr 2PhuGXuNvS/W+1CDs0yl1abShN4S98q718mpJqbglVGj1HPBI9X1ndV++Ieu7OW3xd+o KLBAt9hgjQl8eI0WsWzZlWJj53prrwslpnxz3UKn9qv7ndMPKNrFy+Z8ul5cFsFZSfSQ qSwcX5fPBrbIdKKY2OGSOnDqG0Q4ZBvP/xse82+DUnC/wLM/GwPYx4COY3FueWlS6BPV kCgw== X-Gm-Message-State: AOAM532POTsPrAxrSUCfRwvDW9HelpyIXTwIvb9Epy+rVRrHQumVKznH MPuQSTzq7af0EtPfIdMx7Dqkg+Go6Iemig4ZIM+E6/Zo3uZkaZalonCpMh6h9tUjEALKxIVHoRp jVZ9PEHfwt9m4uyy7poiusqv6k7xU+RZFf5P0pysswilvEbYyxPMxw/5HFecFnh9jvszZwW9qyR I= X-Received: by 2002:a05:6000:1869:: with SMTP id d9mr378208wri.416.1639701508582; Thu, 16 Dec 2021 16:38:28 -0800 (PST) X-Google-Smtp-Source: ABdhPJw3FL49j/6BhFXA9xM36BJ50ni1jnBa0VBdSkEYAvHATpp+oC/TCM7yUjqhtSUTJHdRddpaeg== X-Received: by 2002:a05:6000:1869:: with SMTP id d9mr378198wri.416.1639701508357; Thu, 16 Dec 2021 16:38:28 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id bg12sm7368433wmb.5.2021.12.16.16.38.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Dec 2021 16:38:28 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Javier Martinez Canillas , Kieran Bingham , Laurent Pinchart Subject: [PATCH v2 31/37] drm: rcar-du: Add support for the nomodeset kernel parameter Date: Fri, 17 Dec 2021 01:37:46 +0100 Message-Id: <20211217003752.3946210-32-javierm@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211217003752.3946210-1-javierm@redhat.com> References: <20211217003752.3946210-1-javierm@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 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 --- (no changes since v1) drivers/gpu/drm/rcar-du/rcar_du_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 5a8131ef81d5..982e450233ed 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -701,6 +701,9 @@ static struct platform_driver rcar_du_platform_driver = { static int __init rcar_du_init(void) { + if (drm_firmware_drivers_only()) + return -ENODEV; + rcar_du_of_init(rcar_du_of_table); return platform_driver_register(&rcar_du_platform_driver); -- 2.33.1