From patchwork Fri Sep 11 13:54:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 11770687 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1AE08746 for ; Fri, 11 Sep 2020 13:54:35 +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 F2DE522276 for ; Fri, 11 Sep 2020 13:54:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F2DE522276 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1AFC66EA5A; Fri, 11 Sep 2020 13:54:25 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id 019166EA59 for ; Fri, 11 Sep 2020 13:54:22 +0000 (UTC) Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kGjVK-0007wS-4E; Fri, 11 Sep 2020 15:54:20 +0200 Received: from mtr by dude03.red.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kGjVH-00FKnb-LN; Fri, 11 Sep 2020 15:54:15 +0200 From: Michael Tretter To: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org Date: Fri, 11 Sep 2020 15:54:02 +0200 Message-Id: <20200911135413.3654800-6-m.tretter@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200911135413.3654800-1-m.tretter@pengutronix.de> References: <20200911135413.3654800-1-m.tretter@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: mtr@pengutronix.de X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-1.2 required=4.0 tests=AWL,BAYES_00,RDNS_NONE, SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.2 Subject: [PATCH v2 05/16] drm/exynos: move dsi host registration to probe X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org 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: jy0922.shim@samsung.com, b.zolnierkie@samsung.com, narmstrong@baylibre.com, sw0312.kim@samsung.com, Michael Tretter , krzk@kernel.org, a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, kernel@pengutronix.de, sylvester.nawrocki@gmail.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Once the driver implements a drm_bridge, the bridge will be attached during bind. The driver has to register the mipi dsi host before making the driver available at the component framework, because the bridge is only initialized when a mipi dsi device attaches. Signed-off-by: Michael Tretter --- v2: none --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index f8e64b74a6dd..41000214a5fe 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1712,7 +1712,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master, of_node_put(in_bridge_node); } - return mipi_dsi_host_register(&dsi->dsi_host); + return 0; } static void exynos_dsi_unbind(struct device *dev, struct device *master, @@ -1722,8 +1722,6 @@ static void exynos_dsi_unbind(struct device *dev, struct device *master, struct drm_encoder *encoder = &dsi->encoder; exynos_dsi_disable(encoder); - - mipi_dsi_host_unregister(&dsi->dsi_host); } static const struct component_ops exynos_dsi_component_ops = { @@ -1818,11 +1816,16 @@ static struct exynos_dsi *__exynos_dsi_probe(struct platform_device *pdev) if (ret) return ERR_PTR(ret); + ret = mipi_dsi_host_register(&dsi->dsi_host); + if (ret) + return ERR_PTR(ret); + return dsi; } static void __exynos_dsi_remove(struct exynos_dsi *dsi) { + mipi_dsi_host_unregister(&dsi->dsi_host); } static int exynos_dsi_probe(struct platform_device *pdev)