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[manu <eallaud@xxxxxxxxx>]

Found a work-around change in drivers/gpu/drm/i915/intel_crtc.c in function  intel_crt_detect
	if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev) && !IS_G33(dev)) {
                                                                                                        ^^^^^^^^^^^^^^^

which basically forces to use edid reading via ddc and not use
detect_hotplug method which seems not to work. HTH

-- 
after first splash boot, screen flickers displaying a bunch of drm: failed to restore crtc configuration
https://bugs.launchpad.net/bugs/467841
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