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 C7D79C433FE for ; Fri, 17 Dec 2021 00:39:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229863AbhLQAjD (ORCPT ); Thu, 16 Dec 2021 19:39:03 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:31662 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231143AbhLQAia (ORCPT ); Thu, 16 Dec 2021 19:38:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639701509; 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=Ugd+51eNvxC0ydxh+YebU1HBCy2BdAa3vMMEqbj60C4=; b=c7hrqbRUqTxmS0wKsopFGYzUDtFc+7M2kb1qXNbLT/coL0g6yX4V+oBvucOvKNU45OuBGy /Ydmv1kg9InyGMJHvoPs+xto+HheJTw9cmxQvI3npbYONAiOecl3FZSB9AIcmCaKei+pNs 9BF5PC39Nc+BI+NZbXz2WxbTwbVPesw= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-315-oXZTxuzaO6eDJ5p9vQ-BwQ-1; Thu, 16 Dec 2021 19:38:28 -0500 X-MC-Unique: oXZTxuzaO6eDJ5p9vQ-BwQ-1 Received: by mail-wm1-f71.google.com with SMTP id 138-20020a1c0090000000b00338bb803204so399168wma.1 for ; Thu, 16 Dec 2021 16:38:28 -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=Ugd+51eNvxC0ydxh+YebU1HBCy2BdAa3vMMEqbj60C4=; b=57TRXJs4rhvojeQW77KvjWT71cJZCyhbCiUFKM4ZQsI4IUS+2VFWaTFgnWVF6dQ06m 5iOrjUhS9IUdqQ1ba5ifMf01tNDBYURatx0G0eGLtAKul707D7zNPdOuX9l6gROyabtf ryVLFpRyr9ZcPKeHelxmhJQn2Ocewhp+isZzj8I4vZzFAOg02JITOSwyHwLtH7kPiq7O Jtgwl6x0vMI4s6VjWuokko8xiZ9/YezuwVlAUmruGSW/x2a+26CMHsrNEKtYl3KPAdGt GwHr0cUMNcxHmFEyC7exVHLkHhu8u0BJqmezjjWLGx/d5kdXWBR2w62nH5DR4wb1OsRP rnOg== X-Gm-Message-State: AOAM5303e0cv8sLFIKaFDbs1VkF+jU9fIjSb/KwErvG0PnAh7cpanHlh H0sW0gw3AvPfAeHQfmuRFdn1nfDne1s7LqPdKV3nCt9pcaJkVlmc8c3MdpXTKPHJ2BKSFJzaGZe v65yAYOLcVVyS4zTVBsLRFNX6vQ43b21i6du+YS3ia+Y2GBTVlDoLLX3yX204ylwwZnu40YcVC3 U= X-Received: by 2002:a05:600c:253:: with SMTP id 19mr7501446wmj.179.1639701507493; Thu, 16 Dec 2021 16:38:27 -0800 (PST) X-Google-Smtp-Source: ABdhPJyaCwfJ1i3EmC7S5+5ejEYmoi30WtsMES0GQaL98ew1O0+BZXpFHuoy2ECOZSInnfTcE9rjGQ== X-Received: by 2002:a05:600c:253:: with SMTP id 19mr7501434wmj.179.1639701507277; Thu, 16 Dec 2021 16:38:27 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id bg12sm7368433wmb.5.2021.12.16.16.38.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Dec 2021 16:38:27 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Javier Martinez Canillas , Tomi Valkeinen Subject: [PATCH v2 30/37] drm/omap: Add support for the nomodeset kernel parameter Date: Fri, 17 Dec 2021 01:37:45 +0100 Message-Id: <20211217003752.3946210-31-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/omapdrm/omap_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 2720a58ccd90..eaf67b9e5f12 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -727,6 +727,9 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) DBG("%s", dev_name(dev)); + if (drm_firmware_drivers_only()) + return -ENODEV; + /* Allocate and initialize the DRM device. */ ddev = drm_dev_alloc(&omap_drm_driver, dev); if (IS_ERR(ddev)) -- 2.33.1