From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:58562 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752166AbdHNAdv (ORCPT ); Sun, 13 Aug 2017 20:33:51 -0400 Subject: Patch "drm/bridge: tc358767: fix probe without attached output node" has been added to the 4.12-stable tree To: l.stach@pengutronix.de, andrey.gusakov@cogentembedded.com, architt@codeaurora.org, gregkh@linuxfoundation.org Cc: , From: Date: Sun, 13 Aug 2017 15:18:46 -0700 Message-ID: <150266272620792@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/bridge: tc358767: fix probe without attached output node to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-bridge-tc358767-fix-probe-without-attached-output-node.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From d630213f2a47933e1037909273a20023ba3e598d Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Mon, 10 Jul 2017 14:41:25 +0200 Subject: drm/bridge: tc358767: fix probe without attached output node From: Lucas Stach commit d630213f2a47933e1037909273a20023ba3e598d upstream. The output node of the TC358767 is only used if another bridge is chained behind it. Panels attached to the TC358767 can be detected using the usual DP AUX probing. This restores the old behavior of ignoring the output if no endpoint is found. Fixes: ebc944613567 (drm: convert drivers to use drm_of_find_panel_or_bridge) Acked-by: Andrey Gusakov Signed-off-by: Lucas Stach Signed-off-by: Archit Taneja Link: https://patchwork.freedesktop.org/patch/msgid/20170710124125.9019-1-l.stach@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/bridge/tc358767.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1255,7 +1255,7 @@ static int tc_probe(struct i2c_client *c /* port@2 is the output port */ ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &tc->panel, NULL); - if (ret) + if (ret && ret != -ENODEV) return ret; /* Shut down GPIO is optional */ Patches currently in stable-queue which might be from l.stach@pengutronix.de are queue-4.12/drm-bridge-tc358767-fix-probe-without-attached-output-node.patch queue-4.12/drm-etnaviv-fix-off-by-one-error-in-reloc-checking.patch