drm/i915/frontbuffer: Mark frontbuffer flush and invalidate with might_sleep()
authorDhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Fri, 23 Feb 2018 22:15:16 +0000 (14:15 -0800)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Tue, 27 Feb 2018 20:06:07 +0000 (12:06 -0800)
commit51e98eb851616ecd9ae5017d606c5e4e8e5be79d
treec70225aaf411b42825c75dbdca7a50d3515ec1f0
parentb891d5e46c96b0a41a5b09024794c631ee77c37b
drm/i915/frontbuffer: Mark frontbuffer flush and invalidate with might_sleep()

Frontbuffer flush and invalidate call psr, fbc and drrs functions that use
mutexes but they can be called in atomic contexts in the fbdev path. The
point where the spinlocks are acquired is up in the call stack that is not
entirely easy to spot, so annotate with might_sleep().

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180223221520.18464-2-dhinakaran.pandiyan@intel.com
drivers/gpu/drm/i915/intel_frontbuffer.c