drm/i915: Wait for engines to idle before retiring

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In the next^W forthcoming patch, we will start to defer retiring the
request from the engine list if it is still active on the submission
backend. To preserve the semantics that after wait-for-idle completes
the system is idle and fully retired, we need to therefore wait for the
backends to idle before calling i915_retire_requests().

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/20180627115334.16282-1-chris@chris-wilson.co.uk

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Chris Wilson 2018-06-27 12:53:34 +01:00

parent 67ca07e7ac

commit a61b47f672

1 changed files with 7 additions and 4 deletions

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drivers/gpu/drm/i915/i915_gem.c

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