drm/i915: Drop struct_mutex from suspend state save/restore
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 4 Oct 2019 13:40:13 +0000 (14:40 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 4 Oct 2019 14:39:41 +0000 (15:39 +0100)
commit3d88f76dec55321d27bd37204ea9eaa44f7485b8
tree72e3f08aa8c82b18a396ce079ca9e1bd7a5398a7
parent6c3828ab098a8091c0fa8a24d1af8a5b779b6b4d
drm/i915: Drop struct_mutex from suspend state save/restore

struct_mutex provides no serialisation of the registers and data
structures being saved and restored across suspend/resume. It is
completely superfluous here.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191004134015.13204-19-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_suspend.c