From patchwork Wed Dec 15 00:59:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 12677193 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 0C8FBC433FE for ; Wed, 15 Dec 2021 01:02:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 482D710E1A7; Wed, 15 Dec 2021 01:01:51 +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 0895A10E128 for ; Wed, 15 Dec 2021 01:01:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639530068; 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=buQa/q4lH2BtifIaLjaqC/HHZXhIkn7s/entEE4V0Lw=; b=KnorF4Y7UhqO1kvVD9V/g+2T3EUUzIXJGMIje7+Gzmk4HyLzFVZrvJWDEDYFAvYj9GBX5B R75+y5VAlRcDBVU/HdDfkjEKoHxNGbW3INaoY2uUdAb6wu0XgBUC3sRNE7Oz2/Da4nUavR /bJ6YvsFDfJdahofrUlqwjaxU0BWmnw= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-395-MIU6bmH0PdilkvXvdeQ3bQ-1; Tue, 14 Dec 2021 20:01:06 -0500 X-MC-Unique: MIU6bmH0PdilkvXvdeQ3bQ-1 Received: by mail-wr1-f70.google.com with SMTP id d3-20020adfa343000000b0018ed6dd4629so5378674wrb.2 for ; Tue, 14 Dec 2021 17:01:06 -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=buQa/q4lH2BtifIaLjaqC/HHZXhIkn7s/entEE4V0Lw=; b=gZp5qNYapt5YMOCK1HjIE1aSOWSWxbozPWfzME4a7rAllDbG6gJLFe1TjQx26C+u1V Tqbm+z03psdVGp8ukDySatO/mCS2+gc7hpS6mWnS9Ykn4xauLrtMJEEsx1l79R8/64ZG 0hJN079dqSHKBEgx60wt8npYFDa5gwiWoDCekCKmrpNJ21BDy6oX/X6hVjZKX4tkJqYH rs6ZEY7Nr18QAelziSONYcvs/FFZeIfTEiLEOga0Ly+/zYLpURlcgImDlPCeQt7L+ZUX LZtILk6SBs3ZiQK4xE4O2s4bkWHOzp1nat3iYOwFQOvARCK0y5X8rz3eDTbGE/lTb0GD uwPQ== X-Gm-Message-State: AOAM532OPVY33eos2G+CxC5hcoNEkgEJfhby3iaiCkzp4TmKmUlThrKP 0vdOeqj2jqEbUoFGjjX9hYCAYQtc7jUxRm9ZOUiQ/+9JbQQUotXxVLpGipB1F7RRJ4ksP13yF4w WJCmRm7hCWA3pOE6yPT84520JS5qR X-Received: by 2002:adf:d1c2:: with SMTP id b2mr2197908wrd.114.1639530065653; Tue, 14 Dec 2021 17:01:05 -0800 (PST) X-Google-Smtp-Source: ABdhPJxjnCCBCYToqRjdRNxAmerjAQhtI/o7UoTXtHCb9XWsRZ8oOku/Gp1bPO/ee31R4W2GQgac+A== X-Received: by 2002:adf:d1c2:: with SMTP id b2mr2197894wrd.114.1639530065497; Tue, 14 Dec 2021 17:01:05 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id o64sm334543wme.28.2021.12.14.17.01.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 17:01:05 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 18/60] drm/ingenic: Add support for the nomodeset kernel parameter Date: Wed, 15 Dec 2021 01:59:26 +0100 Message-Id: <20211215010008.2545520-19-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 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: Paul Cercueil , Javier Martinez Canillas 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 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 --- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index b4943a56be09..8748cc5d2069 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -1487,6 +1487,9 @@ static int ingenic_drm_init(void) { int err; + if (drm_firmware_drivers_only()) + return -ENODEV; + if (IS_ENABLED(CONFIG_DRM_INGENIC_IPU)) { err = platform_driver_register(ingenic_ipu_driver_ptr); if (err)