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Rodrigo Vivi authored
There are some cases like suspend/resume or dpms off/on sequences that can flush frontbuffer bits. In these cases features that relies on frontbuffer tracking can start working and user can stop getting screen updates on fbcon having impression the system is frozen. So, let's make sure we also invalidate frontbuffer on fbdev blank. v2: Daniel was right, backtrace didn't show other path than this blank one so let's make sure frontbuffer bits gets invalidate here instead of on random write operations that doesn't garantee we track all frontbuffer writes. Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> [danvet: Exchange code comments for one that complains about the locking, like in set_par.] Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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