Comment 36 for bug 1714178

Created attachment 133922
Xorg.0.log

After applying the following patch, all three screens turn into black screens after I change the display mode from mirror mode to extended mode.
(Log: attached Xorg.0.log and kernel log (attachment 133921))

ubuntu-zesty/drivers/gpu/drm/i915/intel_display.c
@@ -16458,9 +16458,12 @@ int intel_modeset_init(struct drm_device *dev)
                dev->mode_config.max_width = 4096;
                dev->mode_config.max_height = 4096;
        } else {
- dev->mode_config.max_width = 8192;
- dev->mode_config.max_height = 8192;
+ dev->mode_config.max_width = 16384;
+ dev->mode_config.max_height = 16384;
        }