[Bug 81697] [BYT Regression]"WARNING: CPU: 1 PID: 1234 at drivers/gpu/drm/i915/intel_dp.c:1184 intel_enable_dp+0x41/0x79 [i915]()" after boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81697

--- Comment #2 from Guo Jinxian <jinxianx.guo at intel.com> ---
Another CallTrace after system boot.

root at x-bytm02:~# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[    7.007897] WARNING: CPU: 1 PID: 1287 at
drivers/gpu/drm/i915/intel_dp.c:1235 intel_edp_panel_vdd_on+0x30/0x32 [i915]()
<4>[    7.007922] Modules linked in: uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_core v4l2_common videodev i915(+) button video
drm_kms_helper drm
<4>[    7.007927] CPU: 1 PID: 1287 Comm: udevd Not tainted
3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
<4>[    7.008405]  [<ffffffffa000cd2a>] drm_mode_set_config_internal+0x5a/0xd2
[drm]
<4>[    7.008417]  [<ffffffffa005f098>] restore_fbdev_mode+0x9c/0xba
[drm_kms_helper]
<4>[    7.008428]  [<ffffffffa005f172>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x3c [drm_kms_helper]
<4>[    7.008438]  [<ffffffffa00604ab>] drm_fb_helper_set_par+0x44/0x64
[drm_kms_helper]
<4>[    7.008558]  [<ffffffffa005fca2>]
drm_fb_helper_initial_config+0x358/0x401 [drm_kms_helper]
<4>[    7.008695]  [<ffffffffa0007e4d>] drm_dev_register+0x84/0xfd [drm]
<4>[    7.008713]  [<ffffffffa000a29d>] drm_get_pci_dev+0xfc/0x1b3 [drm]
<4>[    7.008851]  [<ffffffffa000a3b9>] drm_pci_init+0x65/0xe8 [drm]
<4>[    7.170138] WARNING: CPU: 0 PID: 1287 at
drivers/gpu/drm/i915/intel_dp.c:1293 edp_panel_vdd_off+0x3b/0x7d [i915]()
<4>[    7.170158] Modules linked in: uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_core v4l2_common videodev i915(+) button video
drm_kms_helper drm
<4>[    7.170162] CPU: 0 PID: 1287 Comm: udevd Tainted: G        W    
3.16.0-rc6_drm-intel-nightly_af1aab_20140724_debug+ #766
<4>[    7.170683]  [<ffffffffa000cd2a>] drm_mode_set_config_internal+0x5a/0xd2
[drm]
<4>[    7.170694]  [<ffffffffa005f098>] restore_fbdev_mode+0x9c/0xba
[drm_kms_helper]
<4>[    7.170704]  [<ffffffffa005f172>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x3c [drm_kms_helper]
<4>[    7.170715]  [<ffffffffa00604ab>] drm_fb_helper_set_par+0x44/0x64
[drm_kms_helper]
<4>[    7.170831]  [<ffffffffa005fca2>]
drm_fb_helper_initial_config+0x358/0x401 [drm_kms_helper]
<4>[    7.170980]  [<ffffffffa0007e4d>] drm_dev_register+0x84/0xfd [drm]
<4>[    7.170999]  [<ffffffffa000a29d>] drm_get_pci_dev+0xfc/0x1b3 [drm]
<4>[    7.171112]  [<ffffffffa000a3b9>] drm_pci_init+0x65/0xe8 [drm]

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