Ok, so I had to look at the Windows registers again... Your "interlaced" branch had 6 patches. Patch 3 is the only one I changed. Here is my version: http://people.freedesktop.org/~pzanoni/0003-drm-i915-fixup-interlace-vertical-timings-confusion.patch. Now my monitor reports "1080i" :) Some notes about the patch: - I really like your solution of not using CRTC_INTERLACE_HALVE_V, because previously we were dividing by 2 and then multiplying by 2 again, which would not restore the original values in case of odd numbers. - I'm not sure about the change inside drm_modes.c. Why do we need the "|= 1"? I fear it could cause us some troubles. This change might also break the other drivers, of course. Wel'll need a "v4". - It seems we need vtotal-- and vblank_end--. We need to find evidence for that in the documentation. I'm just copying Windows - I tested only on SNB. This time the screen looks good (previous versions were really ugly). I'll test ilk and report if something goes wrong... Cheers, Paulo -- Paulo Zanoni
