Primarily this serves as a sanity check that the bit has been cleared
before we suspend (and hasn't reappeared after resume).
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Cc: Tvrtko Ursulin <tursulin@xxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 753458452997..44a92ea464ba 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -508,9 +508,15 @@ bool intel_execlists_idle(struct drm_i915_private *dev_priv)
if (!i915.enable_execlists)
return true;
- for_each_engine(engine, dev_priv, id)
+ for_each_engine(engine, dev_priv, id) {
+ /* Interrupt/tasklet pending? */
+ if (test_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted))
+ return false;
+
+ /* Both ports drained, no more ELSP submission? */
if (!execlists_elsp_idle(engine))
return false;
+ }
return true;
}
--
2.11.0
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