From patchwork Wed Dec 15 00:59:15 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: 12677131 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 5B570C433FE for ; Wed, 15 Dec 2021 01:01:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B859710E149; Wed, 15 Dec 2021 01:01:15 +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 2E29110E135 for ; Wed, 15 Dec 2021 01:00:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639530058; 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=fPwbQSjTLtGQ2bSf5dJaXmd35YFe+1ZNVqX51ENv6p4=; b=AWdprE7AOqhyo+SJe3m0CJJSAVVbEvDO4Us1L+XsBHsbscnm7F5znD4SEtsuA29nLKM+LN JqFdQpHKUa/p4zB9wGHlKKd6bMncRu8F/RwwzNGgJ/s2z0iEymHujoLJZDSqMfvkPH50aM vZmtTnTE0rPhsi/1BFvKgKsRZvqQeWY= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-589-_sr8v2U5PA-gKTzMcmdSSQ-1; Tue, 14 Dec 2021 20:00:57 -0500 X-MC-Unique: _sr8v2U5PA-gKTzMcmdSSQ-1 Received: by mail-wr1-f71.google.com with SMTP id p3-20020a056000018300b00186b195d4ddso5390279wrx.15 for ; Tue, 14 Dec 2021 17:00:57 -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=fPwbQSjTLtGQ2bSf5dJaXmd35YFe+1ZNVqX51ENv6p4=; b=ea+ajUYi1NFuC/4dDNuXMRCu/pJHJpgIllN6mI06EkDf3sTr0/+kR8qQv34KH1jZbq F8OehV9V1ZcOGsCISUpFrI5k2ZqXcqb1ylQJN8Allvki1PckWYxj8hWHQd+HHrkp6O0q qgD3mEKmilwEQmBI4JLiYWrcvKlNWtpAOhUSfUrEQtsX8yzhUB68GDF73HjJpXubxC8w wH3O8XMXHofEquOXuHXcD+Q7SuQB8fmTcwXkaixaWJ879xak6cpG6zz9Ydy/pkR/cuTD 3LXe2elVwMPin9mzEHfhGhxUSs/glGt8HBw9l4XR1++fJoIi+8xD5Uvge/9vnqToheXl YBoA== X-Gm-Message-State: AOAM530p3aRwdM/sht/CGOj4gp9Ifvhb7YXF7lL0/Szm77Y0zXXFAu2z 0QoZHY9S3oQFGY9mdC3caJyvsCwcec/ToPSCb2soz2EMsmMSc/DFN5GR3B1sjS0Q2KKlxrp1vcc YEHCHBIsl4M/61GNdrEhFpZG7JrnQ X-Received: by 2002:a05:600c:1e26:: with SMTP id ay38mr2328312wmb.14.1639530056104; Tue, 14 Dec 2021 17:00:56 -0800 (PST) X-Google-Smtp-Source: ABdhPJzb0sf26Iq2p48wbNys/WmtOwDWHzEtvhQlwIT5GTeLf4E/dLNHCaaWeJfxWgYit2n/LHRiWg== X-Received: by 2002:a05:600c:1e26:: with SMTP id ay38mr2328297wmb.14.1639530055884; Tue, 14 Dec 2021 17:00:55 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id o64sm334543wme.28.2021.12.14.17.00.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 17:00:55 -0800 (PST) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 07/60] drm/etnaviv: Add support for the nomodeset kernel parameter Date: Wed, 15 Dec 2021 01:59:15 +0100 Message-Id: <20211215010008.2545520-8-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: Russell King , 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/etnaviv/etnaviv_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index 7dcc6392792d..58b092248f7b 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -635,6 +635,9 @@ static int __init etnaviv_init(void) int ret; struct device_node *np; + if (drm_firmware_drivers_only()) + return -ENODEV; + etnaviv_validate_init(); ret = platform_driver_register(&etnaviv_gpu_driver);