[Intel-gfx] [PATCH 10/13] drm/fb-helper: Support deferred setup (fwd)

[Julia Lawall]

An unlock may be missing before line 2568.

julia

---------- Forwarded message ----------
Date: Fri, 30 Jun 2017 01:26:56 +0800
From: kbuild test robot <fengguang.wu at intel.com>
To: kbuild at 01.org
Cc: Julia Lawall <julia.lawall at lip6.fr>
Subject: Re: [Intel-gfx] [PATCH 10/13] drm/fb-helper: Support deferred setup

CC: kbuild-all at 01.org
In-Reply-To: <20170627145936.18983-11-daniel.vetter at ffwll.ch>
TO: Daniel Vetter <daniel.vetter at ffwll.ch>
CC: DRI Development <dri-devel at lists.freedesktop.org>
CC: Daniel Vetter <daniel.vetter at ffwll.ch>, Intel Graphics Development <intel-gfx at lists.freedesktop.org>, Thierry Reding <treding at nvidia.com>, John Stultz <john.stultz at linaro.org>, Liviu Dudau <liviu at dudau.co.uk>

Hi Daniel,

[auto build test WARNING on drm/drm-next]
[cannot apply to v4.12-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Daniel-Vetter/fbdev-locking-rework-and-deferred-setup-take-2/20170629-075405
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
:::::: branch date: 18 hours ago
:::::: commit date: 18 hours ago

>> drivers/gpu/drm/drm_fb_helper.c:2568:2-8: preceding lock on line 2564

git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 34aa55278652265fb627a38e182e60fc5afb7ee0
vim +2568 drivers/gpu/drm/drm_fb_helper.c

386516744 Dave Airlie    2010-03-30  2558  {
719ad2ebd Thierry Reding 2017-06-27  2559  	int err = 0;
5c4426a78 Dave Airlie    2010-03-30  2560
f64c5573d Daniel Vetter  2015-08-25  2561  	if (!drm_fbdev_emulation)
f64c5573d Daniel Vetter  2015-08-25  2562  		return 0;
f64c5573d Daniel Vetter  2015-08-25  2563
719ad2ebd Thierry Reding 2017-06-27 @2564  	mutex_lock(&fb_helper->lock);
34aa55278 Daniel Vetter  2017-06-27  2565  	if (fb_helper->deferred_setup) {
34aa55278 Daniel Vetter  2017-06-27  2566  		err = __drm_fb_helper_initial_config(fb_helper,
34aa55278 Daniel Vetter  2017-06-27  2567  						     fb_helper->preferred_bpp);
34aa55278 Daniel Vetter  2017-06-27 @2568  		return err;
34aa55278 Daniel Vetter  2017-06-27  2569  	}
34aa55278 Daniel Vetter  2017-06-27  2570
50c3dc970 Daniel Vetter  2014-06-27  2571  	if (!fb_helper->fb || !drm_fb_helper_is_bound(fb_helper)) {

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