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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-02-22 12:25:45 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-03-06 15:12:46 +0300 |
| commit | 9792e213a4c9b16b814c0865ea0cc5d5125e052b (patch) | |
| tree | 72acadc51a19b19d3f0a3da9a954c0b792b2e95a /drivers/gpu/drm/i915 | |
| parent | cd46c545b7db2a9ac14f6db66944b017cbf21faf (diff) | |
| download | linux-9792e213a4c9b16b814c0865ea0cc5d5125e052b.tar.xz | |
drm/i915/breadcrumbs: Assert all missed breadcrumbs were signaled
When parking the engines and their breadcrumbs, if we have waiters left
then they missed their wakeup. Verify that each waiter's seqno did
complete.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180222092545.17216-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_breadcrumbs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index 03bbc1dfbc51..6a740618863c 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -247,6 +247,8 @@ void intel_engine_disarm_breadcrumbs(struct intel_engine_cs *engine) spin_unlock(&b->irq_lock); rbtree_postorder_for_each_entry_safe(wait, n, &b->waiters, node) { + GEM_BUG_ON(!i915_seqno_passed(intel_engine_get_seqno(engine), + wait->seqno)); RB_CLEAR_NODE(&wait->node); wake_up_process(wait->tsk); } |