diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index a83273c66d49..493e6bd9e28a 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1879,6 +1879,12 @@ execlists_reset_prepare(struct intel_engine_cs *engine) if (request) { unsigned long flags; + /* + * Prevent the breadcrumb from advancing before we decide + * which request is currently active. + */ + intel_engine_stop_cs(engine); + spin_lock_irqsave(&engine->timeline.lock, flags); list_for_each_entry_from_reverse(request, &engine->timeline.requests, |