[Bug 84718] DP MST: re-docking messes up displays

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84718

--- Comment #24 from Chris Wilson <chris at chris-wilson.co.uk> ---
Oct  9 11:53:42 XY kernel: [  228.226045] [drm:drm_mode_setcrtc] [CRTC:7]
Oct  9 11:53:42 XY kernel: [  228.226048] [drm:drm_mode_setcrtc]
[CONNECTOR:18:eDP-1]
Oct  9 11:53:42 XY kernel: [  228.226050] [drm:intel_crtc_set_config] [CRTC:7]
[FB:191] #connectors=1 (x y) (0 0)
Oct  9 11:53:42 XY kernel: [  228.226054]
[drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:7],
mode_changed=0, fb_changed=1
Oct  9 11:53:42 XY kernel: [  228.226055]
[drm:intel_modeset_stage_output_state] [CONNECTOR:18:eDP-1] to [CRTC:7]
Oct  9 11:53:42 XY kernel: [  228.226056]
[drm:intel_modeset_stage_output_state] [CONNECTOR:110:DP-3] to [CRTC:11]
Oct  9 11:53:42 XY kernel: [  228.226057]
[drm:intel_modeset_stage_output_state] [CONNECTOR:118:DP-4] to [CRTC:15]
Oct  9 11:53:42 XY kernel: [  228.226063] [drm:ironlake_update_primary_plane]
Writing base 08905000 00000000 0 0 12800
Oct  9 11:53:42 XY kernel: [  228.238631] [drm:drm_mode_setcrtc] [CRTC:11]
Oct  9 11:53:42 XY kernel: [  228.238635] [drm:drm_mode_setcrtc]
[CONNECTOR:110:DP-3]
Oct  9 11:53:42 XY kernel: [  228.238637] [drm:intel_crtc_set_config] [CRTC:11]
[FB:191] #connectors=1 (x y) (0 0)
Oct  9 11:53:42 XY kernel: [  228.238640]
[drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11],
mode_changed=0, fb_changed=1
Oct  9 11:53:42 XY kernel: [  228.238641]
[drm:intel_modeset_stage_output_state] [CONNECTOR:18:eDP-1] to [CRTC:7]
Oct  9 11:53:42 XY kernel: [  228.238642]
[drm:intel_modeset_stage_output_state] [CONNECTOR:110:DP-3] to [CRTC:11]
Oct  9 11:53:42 XY kernel: [  228.238643]
[drm:intel_modeset_stage_output_state] [CONNECTOR:118:DP-4] to [CRTC:15]
Oct  9 11:53:42 XY kernel: [  228.238649] [drm:ironlake_update_primary_plane]
Writing base 08905000 00000000 0 0 12800
Oct  9 11:53:42 XY kernel: [  228.254619] [drm:drm_mode_setcrtc] [CRTC:15]
Oct  9 11:53:42 XY kernel: [  228.254623] [drm:drm_mode_setcrtc]
[CONNECTOR:118:DP-4]
Oct  9 11:53:42 XY kernel: [  228.254624] [drm:intel_crtc_set_config] [CRTC:15]
[FB:191] #connectors=1 (x y) (0 0)
Oct  9 11:53:42 XY kernel: [  228.254628]
[drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:15],
mode_changed=0, fb_changed=1
Oct  9 11:53:42 XY kernel: [  228.254630]
[drm:intel_modeset_stage_output_state] [CONNECTOR:18:eDP-1] to [CRTC:7]
Oct  9 11:53:42 XY kernel: [  228.254631]
[drm:intel_modeset_stage_output_state] [CONNECTOR:110:DP-3] to [CRTC:11]
Oct  9 11:53:42 XY kernel: [  228.254631]
[drm:intel_modeset_stage_output_state] [CONNECTOR:118:DP-4] to [CRTC:15]


And freeze. So we never make it to drm:ironlake_update_primary_plane on the
last CRTC.

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