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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 050AAC76188 for ; Fri, 19 Jul 2019 04:03:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C02D521852 for ; Fri, 19 Jul 2019 04:03:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509024; bh=7OBpNW6fw6h4L5GKaYIP4jZJ0LWGJFEfN2seOjgzGSQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wvXYBtRrRyKJedVCTcyU7DxYLDApS7Zt5gz53CZ8Sm0gHfjTJX4GVcoT8TuLQtYss e+If+v32N83+3+/1jdQlB9uzSgmtnR0YOWQzkPjF2xcBgzd6Pj2jTXkFkQQEekd8bP R+QWARiUt6sLNYX3lRaTH8TQItlAAv8J3E8a7EiE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730644AbfGSEDn (ORCPT ); Fri, 19 Jul 2019 00:03:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:35712 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730558AbfGSEDi (ORCPT ); Fri, 19 Jul 2019 00:03:38 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4021D218BC; Fri, 19 Jul 2019 04:03:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509017; bh=7OBpNW6fw6h4L5GKaYIP4jZJ0LWGJFEfN2seOjgzGSQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l6QkSgIv/6Mm+9ckalQ6eWkgFEdnffkNcSPPnW98bShLIHfCQN8v4087fTSFzMAYf nkQXPnKtJ0G3wqJP0cVgGP9EGzp/3mO7qVh4HlSwMK2boq3cczvKM2POkPuZ/tBhrk BTiJUpLnQpmYatWqfy9hB22j1dUg5dHzXz0aqwQQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tomi Valkeinen , Andrzej Hajda , Sasha Levin , dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.1 024/141] drm/bridge: tc358767: read display_props in get_modes() Date: Fri, 19 Jul 2019 00:00:49 -0400 Message-Id: <20190719040246.15945-24-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190719040246.15945-1-sashal@kernel.org> References: <20190719040246.15945-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tomi Valkeinen [ 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 888980d4bc74..7e1ff2723636 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1150,6 +1150,13 @@ 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