From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4F3DC433F5 for ; Mon, 13 Sep 2021 14:35:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A164560F92 for ; Mon, 13 Sep 2021 14:35:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343732AbhIMOgi (ORCPT ); Mon, 13 Sep 2021 10:36:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:51898 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347535AbhIMOem (ORCPT ); Mon, 13 Sep 2021 10:34:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 162C361BD4; Mon, 13 Sep 2021 13:53:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631541189; bh=PSdgZwWfBa37uKwmv+1AQxPWJiOH+uzkAICtnW3d8aY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MBRpZ2DbK3d4UOxCh7tLg/9KeZLJluj9LhGyAFSE790zR9CyT40qok+pzHorGgEWR FwI8R59L7UTPNx6GwP7W3EEOoXE5QtL/1S1wjjZJQHY+q41p54+mlQgFWAmaLGfGnj wO0wEU+9hdHh2+5Kh1uG6bSxGSuknz/GDAGhYJmM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stephen Boyd , Rob Clark , Laurent Pinchart , Douglas Anderson , Sasha Levin Subject: [PATCH 5.14 198/334] drm/bridge: ti-sn65dsi86: Avoid creating multiple connectors Date: Mon, 13 Sep 2021 15:14:12 +0200 Message-Id: <20210913131120.110075410@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210913131113.390368911@linuxfoundation.org> References: <20210913131113.390368911@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Rob Clark [ Upstream commit c7782443a88926a4f938f0193041616328cf2db2 ] If we created our own connector because the driver does not support the NO_CONNECTOR flag, we don't want the downstream bridge to *also* create a connector. And if this driver did pass the NO_CONNECTOR flag (and we supported that mode) this would change nothing. Fixes: 4e5763f03e10 ("drm/bridge: ti-sn65dsi86: Wrap panel with panel-bridge") Reported-by: Stephen Boyd Signed-off-by: Rob Clark Tested-by: Stephen Boyd Reviewed-by: Laurent Pinchart Reviewed-by: Douglas Anderson Tested-by: Douglas Anderson Signed-off-by: Douglas Anderson Link: https://patchwork.freedesktop.org/patch/msgid/20210811235253.924867-2-robdclark@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index c9cddf317c72..3aeed2731945 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -531,6 +531,9 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge, } pdata->dsi = dsi; + /* We never want the next bridge to *also* create a connector: */ + flags |= DRM_BRIDGE_ATTACH_NO_CONNECTOR; + /* Attach the next bridge */ ret = drm_bridge_attach(bridge->encoder, pdata->next_bridge, &pdata->bridge, flags); -- 2.30.2