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 6BD1AC76188 for ; Fri, 19 Jul 2019 04:40:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A8F9206DD for ; Fri, 19 Jul 2019 04:40:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563511222; bh=TFKb7L3vrfeNkHgHBmeJyuZQOo0A6mq5LY1Bu6ok2pA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zNhrWCmIe+duaBEZlAtBjdBQ6q76FXrThB4fICm5sSJLPtfOX0NoRvQrmQaTHBidF bcJTlEeAMZOeOGBrJPU0K2btb2wPQv/zVw5jh4/QCWSetOD7brHOW9eIN1aXlB9hXV W3v5No2IiI7Y9k+d5qTs0xQWuT0svXb8WV5yJ6qg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729573AbfGSEkV (ORCPT ); Fri, 19 Jul 2019 00:40:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:57368 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727771AbfGSD6H (ORCPT ); Thu, 18 Jul 2019 23:58:07 -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 AA07321850; Fri, 19 Jul 2019 03:58:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563508686; bh=TFKb7L3vrfeNkHgHBmeJyuZQOo0A6mq5LY1Bu6ok2pA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ClLXNebRD8si7efi+sbkNoU/MhvXtk8LPz+BS4zleqyPUueUsPG65AGd9pa/J4L5A dflNJIB23xW9c8lhXA2rHKKvLZs9QGZMrVxcwSxLz6f7Ks1VYbZgRbBuiFaLMOPqxD ctOpXDws3dexDcYlAvPXWXSZLe4FLnKfUT3Lf7I4= 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 5.2 033/171] drm/bridge: tc358767: read display_props in get_modes() Date: Thu, 18 Jul 2019 23:54:24 -0400 Message-Id: <20190719035643.14300-33-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190719035643.14300-1-sashal@kernel.org> References: <20190719035643.14300-1-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 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