Message ID | 20211215010008.2545520-22-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State | Superseded, archived |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 CC65CC433F5 for <dri-devel@archiver.kernel.org>; Wed, 15 Dec 2021 01:01:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BCF4E10E14A; Wed, 15 Dec 2021 01:01:15 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 905EF10E125 for <dri-devel@lists.freedesktop.org>; Wed, 15 Dec 2021 01:01:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639530070; 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=zSF+bUA3xEcjh8nPd72L5+uQRin3zrf91XKxVnjhqv4=; b=Lf19z///37FKWeuTjGuBjX4PLD3fdt5DMf6VtWnZ6C0wMMwnx2nDPSQYNMMLfmr+SBxqLg L9/ea9r51Z6AyPQQnO0V+mh8vNLGu1la8KOlJxX+mcn1Q87FOVGp7WntEN0kavjb9miNJX 9FUofKG0LVN9YQaJ5mqeRkB2mmWjtKE= 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-314-2dEJ803NMcW1nTDvVxcHIA-1; Tue, 14 Dec 2021 20:01:09 -0500 X-MC-Unique: 2dEJ803NMcW1nTDvVxcHIA-1 Received: by mail-wm1-f72.google.com with SMTP id 144-20020a1c0496000000b003305ac0e03aso13857619wme.8 for <dri-devel@lists.freedesktop.org>; Tue, 14 Dec 2021 17:01:09 -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=zSF+bUA3xEcjh8nPd72L5+uQRin3zrf91XKxVnjhqv4=; b=OLbHt5W8SE7TwxaIdfOGdyPmNP4YumCpdso17vEXfHq69nCq+zRSLVwprFZZlqcMet CDNNI1hrcjrFEszHFGIc0f/RgBa+pv0VBlEdNRVtZ4b3f+V3YY/C032+G7phWFsnGvQ5 WLgCvYzFjsdhc1rIsyOtE1Jd7gy+a9Sm/X8GxNVBZsy/FY6FS1f3tFlJDRRMWzGXvywi QYJAbXA2CI4Yq5kHIEWEt78ai9H1AW3mJdO9CgcIMHa77g4wBxo+cSntEBkAW9vszrHM ytbU28o2tP2bt5Q+tYHs2Gdy9MN9yN8LHxPj+qLdYKz/6LgUn80LzbPN7z8/R6C7cBKd r+sw== X-Gm-Message-State: AOAM533WNUtLy68akYzMCOs4rwybMZ9u/e3b71Gn0+NE9jqK3XqpboA4 khYuzyR257VVV87eLo251RDDabBepHk88fwyt3so+48GCKZCsetMHGvNwvnmqFjTyPWQWdKIKEX FblFGcrKvvLLeZXcYUF/WNfBPVgNe X-Received: by 2002:a5d:4c87:: with SMTP id z7mr2231144wrs.108.1639530068493; Tue, 14 Dec 2021 17:01:08 -0800 (PST) X-Google-Smtp-Source: ABdhPJyQfTCAIZvlx0CmQk3/dYaY5cX1Eaezs09nRWU5iMWZDaBP6F2SM5tcdm4Jsn+zp6nQUJC+Qw== X-Received: by 2002:a5d:4c87:: with SMTP id z7mr2231132wrs.108.1639530068266; Tue, 14 Dec 2021 17:01:08 -0800 (PST) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id o64sm334543wme.28.2021.12.14.17.01.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 17:01:08 -0800 (PST) From: Javier Martinez Canillas <javierm@redhat.com> To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 21/60] drm/mcde: Add support for the nomodeset kernel parameter Date: Wed, 15 Dec 2021 01:59:29 +0100 Message-Id: <20211215010008.2545520-22-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: Javier Martinez Canillas <javierm@redhat.com> 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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On Wed, Dec 15, 2021 at 2:01 AM Javier Martinez Canillas <javierm@redhat.com> wrote: > 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> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index 5b5afc6aaf8e..0b2910e69b42 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -491,6 +491,9 @@ static int __init mcde_drm_register(void) { int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + ret = platform_register_drivers(component_drivers, ARRAY_SIZE(component_drivers)); if (ret)
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/mcde/mcde_drv.c | 3 +++ 1 file changed, 3 insertions(+)