https://bugs.freedesktop.org/show_bug.cgi?id=92307

            Bug ID: 92307
           Summary: NV50: WARNING: ... at include/drm/drm_crtc.h:1577
                    drm_helper_choose_encoder_dpms+0x8a/0x90
                    [drm_kms_helper]()
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: pomidorabelisima-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

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 ]---

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