Mario Kleiner <mario.kleiner.de@xxxxxxxxx> writes: > get_vblank_counter hooked up to drm_vblank_count() which alway was > non-sensical but didn't hurt in the past. Since Linux 4.4 it > triggers a WARN_ON_ONCE in drm_update_vblank_count on first vblank > irq disable, so fix it by hooking to drm_vblank_no_hw_counter(). > > Tested against Raspian kernel 4.4.8 tree on RPi 2B. These are both: Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
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