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drm/i915/gt: fix spelling mistake "undeflow" -> "underflow"

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There is a spelling mistake in comment, fix it.

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200401022506.52965-1-chenzhou10@huawei.com
This commit is contained in:
Chen Zhou 2020-04-01 10:25:06 +08:00 committed by Chris Wilson
parent a5572d1f0d
commit 0d961c4610
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/i915/gt/intel_engine_pm.c
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@ -181,7 +181,7 @@ static bool switch_to_kernel_context(struct intel_engine_cs *engine)
* Ergo, if we put ourselves on the timelines.active_list
* (se intel_timeline_enter()) before we increment the
* engine->wakeref.count, we may see the request completion and retire
* it causing an undeflow of the engine->wakeref.
* it causing an underflow of the engine->wakeref.
*/
flags = __timeline_mark_lock(ce);
GEM_BUG_ON(atomic_read(&ce->timeline->active_count) < 0);