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 5B1B8C433FF for ; Mon, 29 Jul 2019 19:48:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1DD122171F for ; Mon, 29 Jul 2019 19:48:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429729; bh=kmaBY2dSCDGI0h4yZEVJbMGEAJASyHHrcCdpv1ArV0c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=I0X3ZmnP0VRo+NQqHV5X/E3/MtkIVcXne7ji0zGFKEEcP/v+iUGdMavfHkZrHkh7n bkLCIvKz4tvVHOE3mSif/aeaLCWi/sZGqcpsnXFq07Yx527jiN5P48C9LHn0Ifp9u6 YJdYE3je2oatgzXcVNjDfjf8mQkvunAFGlwGq04A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390433AbfG2Tsr (ORCPT ); Mon, 29 Jul 2019 15:48:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:39048 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390422AbfG2Tsn (ORCPT ); Mon, 29 Jul 2019 15:48:43 -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 C50932054F; Mon, 29 Jul 2019 19:48:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429722; bh=kmaBY2dSCDGI0h4yZEVJbMGEAJASyHHrcCdpv1ArV0c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H4Y6j2XxZURQeWQEygBIT0M6EnbQtDXb0JQGYuMGPWsRuxrxT+BbuCNmB9y0ue9Wx u3VJ7QvLiwvJ9j/uSlxDgDpF52Gnbz7Pa9Ei3eZ/J0TY8+DsWgrt6lg4verPutOeJk 6VSz/AKn9c5U5LtC5X7O/e7exzQERe08ZUfHq+jg= 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 5.2 035/215] drm/bridge: tc358767: read display_props in get_modes() Date: Mon, 29 Jul 2019 21:20:31 +0200 Message-Id: <20190729190746.409416708@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729190739.971253303@linuxfoundation.org> References: <20190729190739.971253303@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 4655bb1eb88f..f59a51e19dab 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1141,6 +1141,13 @@ 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