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1102226
2016 Jul 12
6
[PATCH] drm/nouveau/fbcon: fix deadlock with FBIOPUT_CON2FBMAP
The FBIOPUT_CON2FBMAP ioctl takes a console_lock(). When this is called
while nouveau was runtime suspended, a deadlock would occur due to
nouveau_fbcon_set_suspend also trying to obtain console_lock().
Fix this by delaying the drm_fb_helper_set_suspend call. Based on the
i915 code (which was done for performance reasons though).
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Daniel