screen update problems with Intel HD 4600 + virtual screen

[Krzysztof Halasa]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Hmm. Whilst it seems odd to have a negative linear offset, I have seen
> it work elsewhere. Could you try setting
>   options i915 i915_enable_fbc=0 enable_fbc=0
> in /etc/modprobe.conf/intel.conf and rebuilding your initramfs?

This fixed it.
The negative offset isn't exactly gone, though.
Many thanks.

Would you like me to try something else?

[  360.440312] [drm:drm_mode_setcrtc], [CRTC:3]
[  360.440325] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  360.440330] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 1)
[  360.440336] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  360.440342] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  360.440352] [drm:ironlake_update_plane], Writing base 013CA000 FFFFFFFFFFFF5200 0 1 16384
[  360.440430] [drm:intel_crtc_cursor_set], cursor off
[  360.496349] [drm:drm_mode_setcrtc], [CRTC:3]
[  360.496361] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  360.496367] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 2)
[  360.496372] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  360.496378] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  360.496389] [drm:ironlake_update_plane], Writing base 013CA000 FFFFFFFFFFFF9200 0 2 16384
[  360.496466] [drm:intel_crtc_cursor_set], cursor off
[  361.016807] [drm:drm_mode_setcrtc], [CRTC:3]
[  361.016819] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  361.016825] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 3)
[  361.016830] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  361.016835] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  361.016845] [drm:ironlake_update_plane], Writing base 013CA000 FFFFFFFFFFFFD200 0 3 16384
[  361.016922] [drm:intel_crtc_cursor_set], cursor off
[  361.873562] [drm:drm_mode_setcrtc], [CRTC:3]
[  361.873576] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  361.873582] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 4)
[  361.873587] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  361.873592] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  361.873602] [drm:ironlake_update_plane], Writing base 013CA000 00001200 0 4 16384
[  361.873679] [drm:intel_crtc_cursor_set], cursor off
[  362.714307] [drm:drm_mode_setcrtc], [CRTC:3]
[  362.714319] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  362.714325] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 5)
[  362.714331] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  362.714336] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  362.714345] [drm:ironlake_update_plane], Writing base 013CA000 00005200 0 5 16384
[  362.714423] [drm:intel_crtc_cursor_set], cursor off
[  362.730326] [drm:drm_mode_setcrtc], [CRTC:3]
[  362.730338] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  362.730344] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 6)
[  362.730349] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  362.730354] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  362.730366] [drm:ironlake_update_plane], Writing base 013CA000 00009200 0 6 16384
[  362.730443] [drm:intel_crtc_cursor_set], cursor off
[  362.826347] [drm:drm_mode_setcrtc], [CRTC:3]
[  362.826356] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  362.826361] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 7)
[  362.826365] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  362.826369] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  362.826377] [drm:ironlake_update_plane], Writing base 013CA000 0000D200 0 7 16384
[  362.826439] [drm:intel_crtc_cursor_set], cursor off
[  362.954525] [drm:drm_mode_setcrtc], [CRTC:3]
[  362.954536] [drm:drm_mode_setcrtc], [CONNECTOR:12:HDMI-A-1]
[  362.954542] [drm:intel_crtc_set_config], [CRTC:3] [FB:55] #connectors=1 (x y) (2176 8)
[  362.954548] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=1
[  362.954553] [drm:intel_modeset_stage_output_state], [CONNECTOR:12:HDMI-A-1] to [CRTC:3]
[  362.954564] [drm:ironlake_update_plane], Writing base 013CA000 FFFFFFFFFFFF1200 0 0 16384
[  362.954641] [drm:intel_crtc_cursor_set], cursor off
-- 
Krzysztof Halasa