[Bug 210429] AMDGPU - DRM connector force-probe after DPMS causes monitor to reconnect

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Tue Dec 22 17:16:42 UTC 2020 

https://bugzilla.kernel.org/show_bug.cgi?id=210429

--- Comment #2 from jordanleppert at gmail.com ---
Here are logs using Wayfire (a wlroots compositor), note the disconnect
immediately after modesetting. The DPMS sleep happened at 15:46:45, and the
wakeup at 15:46:54.

DD 22-12-20 15:46:45.685 - [backend/drm/drm.c:1075] Reallocating CRTCs
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1086] State before reallocation:
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1092]   'DP-1' crtc=0 state=3
desired_enabled=0
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1092]   'DP-2' crtc=1 state=3
desired_enabled=1
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1092]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1092]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1143] State after reallocation:
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1150]   'DP-1' crtc=0 state=3
desired_enabled=0
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1150]   'DP-2' crtc=1 state=3
desired_enabled=1
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1150]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.686 - [backend/drm/drm.c:1150]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1075] Reallocating CRTCs
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1086] State before reallocation:
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1092]   'DP-1' crtc=0 state=3
desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1092]   'DP-2' crtc=1 state=3
desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1092]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1092]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1143] State after reallocation:
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1150]   'DP-1' crtc=0 state=3
desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1150]   'DP-2' crtc=1 state=3
desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1150]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:45.719 - [backend/drm/drm.c:1150]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
II 22-12-20 15:46:54.467 - [backend/drm/drm.c:793] connector DP-1: Modesetting
with '3840x2160 at 59997mHz'
DD 22-12-20 15:46:54.467 - [backend/drm/drm.c:679] connector DP-1: Initializing
renderer
II 22-12-20 15:46:54.483 - [backend/drm/drm.c:793] connector DP-2: Modesetting
with '3840x2160 at 59997mHz'
DD 22-12-20 15:46:54.483 - [backend/drm/drm.c:679] connector DP-2: Initializing
renderer
II 22-12-20 15:46:56.808 - [backend/drm/drm.c:1219] Scanning DRM connectors on
/dev/dri/card0
II 22-12-20 15:46:56.810 - [backend/drm/drm.c:1388] 'DP-2' disconnected
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1075] Reallocating CRTCs
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1086] State before reallocation:
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1092]   'DP-1' crtc=0 state=3
desired_enabled=1
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1092]   'DP-2' crtc=1 state=3
desired_enabled=0
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1092]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1092]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1143] State after reallocation:
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1150]   'DP-1' crtc=0 state=3
desired_enabled=1
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1150]   'DP-2' crtc=1 state=3
desired_enabled=0
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1150]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1150]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.907 - [backend/drm/drm.c:1049] connector DP-2:
De-allocating CRTC 1
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1075] Reallocating CRTCs
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1086] State before reallocation:
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1092]   'DP-1' crtc=0 state=3
desired_enabled=1
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1092]   'DP-2' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1092]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1092]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1143] State after reallocation:
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1150]   'DP-1' crtc=0 state=3
desired_enabled=1
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1150]   'DP-2' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1150]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1150]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:56.908 - [backend/drm/drm.c:1442] No connector for CRTC 49
II 22-12-20 15:46:57.102 - [backend/drm/drm.c:1219] Scanning DRM connectors on
/dev/dri/card0
II 22-12-20 15:46:57.102 - [backend/drm/drm.c:1388] 'DP-1' disconnected
DD 22-12-20 15:46:57.173 - [backend/drm/drm.c:1075] Reallocating CRTCs
DD 22-12-20 15:46:57.173 - [backend/drm/drm.c:1086] State before reallocation:
DD 22-12-20 15:46:57.173 - [backend/drm/drm.c:1092]   'DP-1' crtc=0 state=3
desired_enabled=0
DD 22-12-20 15:46:57.173 - [backend/drm/drm.c:1092]   'DP-2' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:57.173 - [backend/drm/drm.c:1092]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.173 - [backend/drm/drm.c:1092]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1143] State after reallocation:
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1150]   'DP-1' crtc=0 state=3
desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1150]   'DP-2' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1150]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1150]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1049] connector DP-1:
De-allocating CRTC 0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1075] Reallocating CRTCs
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1086] State before reallocation:
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1092]   'DP-1' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1092]   'DP-2' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1092]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.174 - [backend/drm/drm.c:1092]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.175 - [backend/drm/drm.c:1143] State after reallocation:
DD 22-12-20 15:46:57.175 - [backend/drm/drm.c:1150]   'DP-1' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:57.175 - [backend/drm/drm.c:1150]   'DP-2' crtc=-1 state=0
desired_enabled=0
DD 22-12-20 15:46:57.175 - [backend/drm/drm.c:1150]   'HDMI-A-1' crtc=-1
state=0 desired_enabled=0
DD 22-12-20 15:46:57.175 - [backend/drm/drm.c:1150]   'HDMI-A-2' crtc=-1
state=0 desired_enabled=0

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