S3 RESUME:

WARNING: ... at include/drm/drm_crtc.h:1577
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
Call Trace:
 [<ffffffff81417339>] dump_stack+0x4b/0x72
 [<ffffffff810a8c12>] warn_slowpath_common+0x82/0xc0
 [<ffffffff810a8d5a>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa01542ca>] drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]
 [<ffffffffa01543bb>] drm_helper_connector_dpms+0x4b/0x100 [drm_kms_helper]
 [<ffffffffa0288beb>] nouveau_connector_hotplug+0x5b/0xb0 [nouveau]
 [<ffffffffa01e7a77>] nvif_notify_work+0x27/0xa0 [nouveau]
 [<ffffffff810c7470>] process_one_work+0x230/0x6a0
 [<ffffffff810c73d9>] ? process_one_work+0x199/0x6a0
 [<ffffffff810c792e>] worker_thread+0x4e/0x450
 [<ffffffff810c78e0>] ? process_one_work+0x6a0/0x6a0
 [<ffffffff810c78e0>] ? process_one_work+0x6a0/0x6a0
 [<ffffffff810ce981>] kthread+0x101/0x120
 [<ffffffff81103d79>] ? trace_hardirqs_on_caller+0x129/0x1b0
 [<ffffffff810ce880>] ? kthread_create_on_node+0x250/0x250
 [<ffffffff8185fbef>] ret_from_fork+0x3f/0x70
 [<ffffffff810ce880>] ? kthread_create_on_node+0x250/0x250
---[ end trace cf287771813cb2d1 ]---

WARNING: ... at include/drm/drm_crtc.h:1577
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
Call Trace:
 [<ffffffff81417339>] dump_stack+0x4b/0x72
 [<ffffffff810a8c12>] warn_slowpath_common+0x82/0xc0
 [<ffffffff810a8d5a>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa0154363>] drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]
 [<ffffffffa028c240>] ? nv50_display_crtc_get+0x20/0x20 [nouveau]
 [<ffffffffa0154429>] drm_helper_connector_dpms+0xb9/0x100 [drm_kms_helper]
 [<ffffffffa0288beb>] nouveau_connector_hotplug+0x5b/0xb0 [nouveau]
 [<ffffffffa01e7a77>] nvif_notify_work+0x27/0xa0 [nouveau]
 [<ffffffff810c7470>] process_one_work+0x230/0x6a0
 [<ffffffff810c73d9>] ? process_one_work+0x199/0x6a0
 [<ffffffff810c792e>] worker_thread+0x4e/0x450
 [<ffffffff810c78e0>] ? process_one_work+0x6a0/0x6a0
 [<ffffffff810c78e0>] ? process_one_work+0x6a0/0x6a0
 [<ffffffff810ce981>] kthread+0x101/0x120
 [<ffffffff81103d79>] ? trace_hardirqs_on_caller+0x129/0x1b0
 [<ffffffff810ce880>] ? kthread_create_on_node+0x250/0x250
 [<ffffffff8185fbef>] ret_from_fork+0x3f/0x70
 [<ffffffff810ce880>] ? kthread_create_on_node+0x250/0x250
---[ end trace cf287771813cb2d2 ]---