From patchwork Wed Dec 15 00:59:23 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: 12677147 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 6C05AC433EF for ; Wed, 15 Dec 2021 01:01:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C7B410E16B; Wed, 15 Dec 2021 01:01:19 +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 D738E10E125 for ; Wed, 15 Dec 2021 01:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639530065; 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=R4sk0aOGoZo6DhLKUJGsiUdEPfqgud6UXrgjI7DBDO0=; b=a0Tp/kwo2b8AvpCKn0DhbRf0LXtE6W5v9NPPIYmUQEUe/mh7gMaVnNm4M7vHFtcaPLvIcn c5mVemYWuH8JjZutkM0zZKhF8t90EUkD3VQeOAy/t/vOIBmDiL1wwSIohYXNqJMr2+7a8k FscJTRnYtgA9uwqrUXtUeF6xrGVVKzc= 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-436-ClZLJRv-PsSl4ItNafJClQ-1; Tue, 14 Dec 2021 20:01:03 -0500 X-MC-Unique: ClZLJRv-PsSl4ItNafJClQ-1 Received: by mail-wm1-f72.google.com with SMTP id i131-20020a1c3b89000000b00337f92384e0so13883546wma.5 for ; Tue, 14 Dec 2021 17:01:03 -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=R4sk0aOGoZo6DhLKUJGsiUdEPfqgud6UXrgjI7DBDO0=; b=58Lhr5f+pzb93R4gmk74KtPzhoUYvBS9BQCHV27PdbQlvOMeOxqTcmDHJ7sVvmtZo5 8RlCtnTHOs6f2wV16u76jnCCqNhFjgSY4Tj2m4f0bIL2bFymWHBGS1L7kg0gi8L7TSRB PHH5Wq+QqNZEaDgzFyEpjKkIlMXLozqyhTkx5WT37I9chvHAKWHAmnkkxj89owK6bVI6 wT8ZLhGlf74ww0EtyY9I29RLMfzratVE08ROfjqrja6+k7kVdTMCXwc5q4mrj0Y/prdx HanbuUDgrl0krIA4y4qmrtl0wbd3YRIRVCd7leQDqLSEE82Ga6J4pogVGopfGS498Szp XpEw== X-Gm-Message-State: AOAM530EBjpNbIgjRNEoKzmdDljIzFnUX6wpu99OoaDuWibiHX6+ENrC PgupgqWo1mvuupBHq57m5pKZIqjpps5XsXOQygSmXrwbRTUtqu9GLh9p6QQF0K7mmK7y+itxzjj ZGgSsuePA18H7G8lZnPfsa9M/Cw1Q X-Received: by 2002:adf:d18f:: with SMTP id v15mr2109905wrc.447.1639530062829; Tue, 14 Dec 2021 17:01:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJzILyKS6xkmD+jqzqVV4KBj0XycKfBbUVs/Yu6SqmEzKz2P1vRUfBpoPKqcsiT6hf6Y5qmI9Q== X-Received: by 2002:adf:d18f:: with SMTP id v15mr2109899wrc.447.1639530062649; Tue, 14 Dec 2021 17:01:02 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id o64sm334543wme.28.2021.12.14.17.01.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 17:01:02 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 15/60] drm/i810: Add support for the nomodeset kernel parameter Date: Wed, 15 Dec 2021 01:59:23 +0100 Message-Id: <20211215010008.2545520-16-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: 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/i810/i810_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index 0e53a066d4db..7ce268b54a18 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -80,6 +80,9 @@ static struct pci_driver i810_pci_driver = { static int __init i810_init(void) { + if (drm_firmware_drivers_only()) + return -ENODEV; + if (num_possible_cpus() > 1) { pr_err("drm/i810 does not support SMP\n"); return -EINVAL;