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 A6630C433FE for ; Fri, 17 Dec 2021 00:39:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230400AbhLQAjB (ORCPT ); Thu, 16 Dec 2021 19:39:01 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:39477 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231214AbhLQAi3 (ORCPT ); Thu, 16 Dec 2021 19:38:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639701508; 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=wjBFg3uca0hr/RF0/NYN8McW8siJPGtew7BDMoZLdbk=; b=amFO0a4i++OStgqMJjKMP1g9ZsDmZhVCFkeQMgW4VleR+zwMOow+WcSNyCzRp/c5OjYDt6 u6/FlCcQygp215snYL0DxfagJrgqKr4Fy6WNdChMRetkqGuqBlopfdkIZCYele69wT6MZq v6VIaHlya5cpcpUq7C0xKdc3SkBY7dw= 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-553-3yBJ9qbkNMObj1T70K_08w-1; Thu, 16 Dec 2021 19:38:27 -0500 X-MC-Unique: 3yBJ9qbkNMObj1T70K_08w-1 Received: by mail-wr1-f72.google.com with SMTP id l13-20020adfbd8d000000b001a23a990dbfso148216wrh.5 for ; Thu, 16 Dec 2021 16:38:27 -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=wjBFg3uca0hr/RF0/NYN8McW8siJPGtew7BDMoZLdbk=; b=TN//1Y74sT7HauDnOOGAxhXzcCRdYFTXP9656g4LHR5BNp1YRUdBfiFKUL78mXFlbI X7HDptGMtiId43z193GvHbR5XB3WY7ngb6UCvttIsOWNnFu8VcD82azzZmUgqjxUtm9B VdNZNLG+8Yz7maQNlbTbQgcVRg8i70KLbPij0ww7/o9dn0zGU0QQaPjvcJSwsqJFyNlN uHJGSsrRzmklt1qWnUNWbNwdE66PXQxVa5YF6bPsMcF7Oq3XL4CuffW+m0ykKIVROZSl zyJL9/CSac9b/u2PRiR5bioA27e6xKvHSlUkPPfYUn2f/W0Isw03FZvXfCwILeCRRqNG bp/g== X-Gm-Message-State: AOAM533kfuvMAgPlFGxo8F8Q6hvd2VC6lE4O1YClfrHlJPSg46i/wRCL yjVry+IVkcUd7sKCrjEX/HF3c3LRWjWc521X8tMcCaBIUe1BuJLNWzVR2QIuPWhlIO4fayJghe9 7Pu60UIo76DN/HCSslNP8e+W5BS+Ck/LzOtf9Fl1+GDp2gfLUV8AqwMisd/mYVbTfrgYOv7OauM g= X-Received: by 2002:a5d:648d:: with SMTP id o13mr349931wri.637.1639701506712; Thu, 16 Dec 2021 16:38:26 -0800 (PST) X-Google-Smtp-Source: ABdhPJxeyzKTq5rHZsrWQHaePARPuD9O79wGdBTrc7g9E10h/hppontDey+ouzFKQJLSf7A4vCd2XQ== X-Received: by 2002:a5d:648d:: with SMTP id o13mr349917wri.637.1639701506497; Thu, 16 Dec 2021 16:38:26 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id bg12sm7368433wmb.5.2021.12.16.16.38.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Dec 2021 16:38:26 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Javier Martinez Canillas , Rob Clark , Sean Paul Subject: [PATCH v2 29/37] drm/msm: Add support for the nomodeset kernel parameter Date: Fri, 17 Dec 2021 01:37:44 +0100 Message-Id: <20211217003752.3946210-30-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/msm/msm_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 892c04365239..8f30e68ae3b5 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -518,6 +518,9 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) struct msm_mdss *mdss; int ret, i; + if (drm_firmware_drivers_only()) + return -ENODEV; + ddev = drm_dev_alloc(drv, dev); if (IS_ERR(ddev)) { DRM_DEV_ERROR(dev, "failed to allocate drm_device\n"); -- 2.33.1