Message ID | 20211215010008.2545520-7-javierm@redhat.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show
Return-Path: <dri-devel-bounces@lists.freedesktop.org> 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 8561FC433FE for <dri-devel@archiver.kernel.org>; Wed, 15 Dec 2021 01:01:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BDFED10E13C; Wed, 15 Dec 2021 01:01:00 +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 0E88610E12E for <dri-devel@lists.freedesktop.org>; Wed, 15 Dec 2021 01:00:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639530057; 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=tWbGxoeNjdbDmyKcp2OndXPUITxm5AAUodTQYAK1CmA=; b=XAV9bZ7fEWYk5FqgRyVFX2a8G9+SjNPs8BLyOngGYkHIqZ8p9BGqtRDs63gSt6LcGu1ClH 6a8rVd5ojkYgqogIj+r8TsRgkBbmli7AftYnXZ7Xlyh2r3j2BXRDzJwYF01AdZ3RXnx7eI l8VNngidgSatYxJAGPfyGYNYLJUffaU= 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-563-nS3y1XYNNtuheS9uZvk6oA-1; Tue, 14 Dec 2021 20:00:56 -0500 X-MC-Unique: nS3y1XYNNtuheS9uZvk6oA-1 Received: by mail-wr1-f70.google.com with SMTP id h7-20020adfaa87000000b001885269a937so5415818wrc.17 for <dri-devel@lists.freedesktop.org>; Tue, 14 Dec 2021 17:00:56 -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=tWbGxoeNjdbDmyKcp2OndXPUITxm5AAUodTQYAK1CmA=; b=NGDk3W26s5W6wiKLNH/n1Dtk+NRQgXe9oC3WyBFi31ZBMKjThYf4+8anukiCfswr/J RnViZ3M8xQZcI3PFXLE6HZszOOg1EFrbtdsnjNk7K5b2/tLzD9T11MHVjFZXN/obayCv IJtOW7b8JngU0MVqV1PzMw9Xc0Jb1momyItMGBRbBniJZTgeS+RBR7hGFOqnCJFxNB1i ZQz1/zj2Mf4aNxOLoFD318OmfKZerogg+iZ3PUG0gTxtZlVHCC0KpXQq94x58wqpx14E PsGRg/yAS1vji44ENn85BNg2rKOVC+wTUqMKoCpL9g+8JjVQg9npqMfoc4ttCWoDMSfk qwEw== X-Gm-Message-State: AOAM530ZXhIIzi5Y6YvU0Q81qEd78nZzbSyQDVSdhmcvW0CLZmwZFMoG +ULWHxzRnPKi36Z/5lkAt4puKai2fntQqho23hrKptdW+oyBW3+SrueqIl9lpcVEP1bVyocu611 8JYT6SXSyNEMR5KfWQ9pwEGwDpjFw X-Received: by 2002:a5d:4690:: with SMTP id u16mr2171663wrq.321.1639530055076; Tue, 14 Dec 2021 17:00:55 -0800 (PST) X-Google-Smtp-Source: ABdhPJwByjifmeznMHXNDjsmxy2X6/X9Po4NZarhy11WUEg5MGrKc9cEAhQBDaQMyUvnYgZ4LTTOfw== X-Received: by 2002:a5d:4690:: with SMTP id u16mr2171646wrq.321.1639530054875; Tue, 14 Dec 2021 17:00:54 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id o64sm334543wme.28.2021.12.14.17.00.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 17:00:54 -0800 (PST) From: Javier Martinez Canillas <javierm@redhat.com> To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 06/60] drm/atmel-hlcdc: Add support for the nomodeset kernel parameter Date: Wed, 15 Dec 2021 01:59:14 +0100 Message-Id: <20211215010008.2545520-7-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 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: Sam Ravnborg <sam@ravnborg.org>, Javier Martinez Canillas <javierm@redhat.com>, Boris Brezillon <bbrezillon@kernel.org> Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> |
Series |
drm: Make all drivers to honour the nomodeset parameter
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diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 1656d27b78b6..4637177184ce 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -747,6 +747,9 @@ static int atmel_hlcdc_dc_drm_probe(struct platform_device *pdev) struct drm_device *ddev; int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + ddev = drm_dev_alloc(&atmel_hlcdc_dc_driver, &pdev->dev); if (IS_ERR(ddev)) return PTR_ERR(ddev);
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 <javierm@redhat.com> --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 3 +++ 1 file changed, 3 insertions(+)