[PATCH 05/19] drm: Have the vblank counter account for the time between vblank irq disable and drm_vblank_off()

Hi Ville, went through the vblank rework patch set, mostly looks good to me. I couldn't find any bugs in the code. A first quick test-run on my old Intel GMA-950 (Gen 3'ish i think?) also didn't show apparent problems with the OML_sync_control functions. I'll try to test more carefully with

[PATCH 05/19] drm: Have the vblank counter account for the time between vblank irq disable and drm_vblank_off()

From: Ville Syrj?l? If the vblank irq has already been disabled (via the disable timer) when we call drm_vblank_off() sample the counter and timestamp one last time. This will make the sure that the user space visible counter will account for time between vblank