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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 432C1C32750 for ; Fri, 2 Aug 2019 09:49:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B2582086A for ; Fri, 2 Aug 2019 09:49:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564739357; bh=kloS8dWPjjHpT26GjxbcGPstQz99iXmU91eP0LAEW+Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tSliTLIfyEbrwRwZs7x3HJ+DCbVELDyWebnoJx+pcrBoBgEit20To4qmK+cayHHTN MiD397Vq85mgtA5kFS7fNqdccfFhDmBffdE1UWlJBods9I+2+lEY+5oU7QeoNS43Nk +gwHd85e1sdrEmQ8Jigo+VX6sub16TdCOXg/nndc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405973AbfHBJtP (ORCPT ); Fri, 2 Aug 2019 05:49:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:54020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405831AbfHBJsg (ORCPT ); Fri, 2 Aug 2019 05:48:36 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 056FE206A2; Fri, 2 Aug 2019 09:48:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564739315; bh=kloS8dWPjjHpT26GjxbcGPstQz99iXmU91eP0LAEW+Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sFf5zQb9Etdi/MpT4eeqSNtZKzdfztHe2ztnqVMiPY4KIM1IGNNyfps7DuBHXV7Fv ZCt1yjDwT6yFiNxIT00HNeRGUghpb20EodUhU/tqixagWUW1CnTF7wypty+U5+sbeU ZsMJuG/ja1wPWgTFcdhpOLsGfEAYQmJ3Y5KLpNbA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tomi Valkeinen , Andrzej Hajda , Sasha Levin Subject: [PATCH 4.9 164/223] drm/bridge: tc358767: read display_props in get_modes() Date: Fri, 2 Aug 2019 11:36:29 +0200 Message-Id: <20190802092248.740167989@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802092238.692035242@linuxfoundation.org> References: <20190802092238.692035242@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit 3231573065ad4f4ecc5c9147b24f29f846dc0c2f ] We need to know the link bandwidth to filter out modes we cannot support, so we need to have read the display props before doing the filtering. To ensure we have up to date display props, call tc_get_display_props() in the beginning of tc_connector_get_modes(). Signed-off-by: Tomi Valkeinen Reviewed-by: Andrzej Hajda Signed-off-by: Andrzej Hajda Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-22-tomi.valkeinen@ti.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/tc358767.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index fa3f2f039a74..80993a8734e0 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1153,6 +1153,13 @@ static int tc_connector_get_modes(struct drm_connector *connector) struct tc_data *tc = connector_to_tc(connector); struct edid *edid; unsigned int count; + int ret; + + ret = tc_get_display_props(tc); + if (ret < 0) { + dev_err(tc->dev, "failed to read display props: %d\n", ret); + return 0; + } if (tc->panel && tc->panel->funcs && tc->panel->funcs->get_modes) { count = tc->panel->funcs->get_modes(tc->panel); -- 2.20.1