[Bug 66494] [sna] Output at last pipe stays black

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66494

--- Comment #12 from Chris Wilson <chris at chris-wilson.co.uk> ---
Hmm, the last action for the DVI is that we turn it off:

[   50.591298] [drm:intel_crtc_set_config], [CRTC:3] [FB:9] #connectors=1 (x y)
(0 0)
[   50.591309] [drm:intel_modeset_stage_output_state], [CONNECTOR:5:LVDS-1] to
[CRTC:3]
[   50.591313] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:HDMI-A-2]
to [CRTC:4]
[   50.591326] [drm:i9xx_update_plane], Writing base 00046000 00000000 0 0 5760
[   50.593081] [drm:intel_update_fbc], more than one pipe active, disabling
compression
[   50.593088] [drm:intel_crtc_set_config], [CRTC:4] [NOFB]
[   50.593094] [drm:intel_modeset_stage_output_state], [CONNECTOR:21:HDMI-A-2]
to [NOCRTC]
[   50.593096] [drm:intel_modeset_stage_output_state], encoder changed, full
mode switch
[   50.593100] [drm:intel_modeset_stage_output_state], [CONNECTOR:5:LVDS-1] to
[CRTC:3]
[   50.593103] [drm:intel_modeset_stage_output_state], crtc changed, full mode
switch
[   50.593109] [drm:__intel_set_mode], set mode pipe masks: modeset: 0,
prepare: 0, disable: 2

Can you please recompile -intel with --enable-debug=full and attach the
Xorg.0.log for both cases? (The VGA case also gets switched off then on again.)

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