From patchwork Wed Nov 17 14:58:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 12624883 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B75BC433F5 for ; Wed, 17 Nov 2021 14:59:14 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D142A600D4 for ; Wed, 17 Nov 2021 14:59:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D142A600D4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marcan.st Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EA7276E51D; Wed, 17 Nov 2021 14:59:12 +0000 (UTC) Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by gabe.freedesktop.org (Postfix) with ESMTPS id BEE666E51D for ; Wed, 17 Nov 2021 14:59:10 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 7ED0141F55; Wed, 17 Nov 2021 14:59:06 +0000 (UTC) From: Hector Martin To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Subject: [PATCH 1/3] drm/simpledrm: Bind to OF framebuffers in /chosen Date: Wed, 17 Nov 2021 23:58:27 +0900 Message-Id: <20211117145829.204360-2-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211117145829.204360-1-marcan@marcan.st> References: <20211117145829.204360-1-marcan@marcan.st> MIME-Version: 1.0 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: Hector Martin , dri-devel@lists.freedesktop.org, Alyssa Rosenzweig , linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This matches the simplefb behavior; these nodes are not matched by the standard OF machinery. This fixes a regression when simpledrm replaces simeplefb. Signed-off-by: Hector Martin --- drivers/gpu/drm/tiny/simpledrm.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index 481b48bde047..2c84f2ea1fa2 100644 --- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c @@ -2,6 +2,7 @@ #include #include +#include #include #include #include @@ -897,5 +898,21 @@ static struct platform_driver simpledrm_platform_driver = { module_platform_driver(simpledrm_platform_driver); +static int __init simpledrm_init(void) +{ + struct device_node *np; + + if (IS_ENABLED(CONFIG_OF_ADDRESS) && of_chosen) { + for_each_child_of_node(of_chosen, np) { + if (of_device_is_compatible(np, "simple-framebuffer")) + of_platform_device_create(np, NULL, NULL); + } + } + + return 0; +} + +fs_initcall(simpledrm_init); + MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL v2");