[Nouveau] [Bug 92307] G98/GM206: WARNING: ... at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()

[bugzilla-daemon at freedesktop.org]

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

--- Comment #16 from poma <pomidorabelisima at gmail.com> ---

Tested kernels:
4.4.0-0.rc3.git0.1.fc24.x86_64+debug
&
4.4.0-0.rc3.git0.1.fc24.x86_64+debug with updated nouveau from
http://cgit.freedesktop.org/~darktama/nouveau - up to commit 115ed46

- dmesg:
[  242.712518] WARNING: CPU: 2 PID: 2742 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  242.713194] WARNING: CPU: 2 PID: 2742 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  243.410428] WARNING: CPU: 2 PID: 2742 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  243.411084] WARNING: CPU: 2 PID: 2742 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  429.026360] WARNING: CPU: 2 PID: 2742 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  429.027127] WARNING: CPU: 2 PID: 2742 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  429.725127] WARNING: CPU: 2 PID: 308 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  429.725408] WARNING: CPU: 2 PID: 308 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  605.195250] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  605.195586] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  605.893962] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  605.894735] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  650.065838] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  650.066627] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[  650.764764] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[  650.765550] WARNING: CPU: 2 PID: 50 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[ 1258.081495] WARNING: CPU: 2 PID: 1879 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[ 1258.082210] WARNING: CPU: 2 PID: 1879 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
[ 1258.780213] WARNING: CPU: 2 PID: 1879 at include/drm/drm_crtc.h:1565
drm_helper_choose_encoder_dpms+0x8a/0x90 [drm_kms_helper]()
[ 1258.780934] WARNING: CPU: 2 PID: 1879 at include/drm/drm_crtc.h:1565
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]()
...

Although warnings are still here,
during S3 RESUME connected output/display -IS- enabled.

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