Since commit 4a118ecbe99c ("drm/i915: Filter out spurious execlists
context-switch interrupts") we probe execlists->active, and no longer
have to peek at the execlist interrupt to determine if the tasklet still
needs to be run to drain the ELSP.

References: 4a118ecbe99c ("drm/i915: Filter out spurious execlists 
context-switch interrupts")
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiar...@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Cc: Mika Kuoppala <mika.kuopp...@intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c 
b/drivers/gpu/drm/i915/intel_engine_cs.c
index bf634432c9c6..0ad9184eba97 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1503,10 +1503,6 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine)
        if (I915_SELFTEST_ONLY(engine->breadcrumbs.mock))
                return true;
 
-       /* Interrupt/tasklet pending? */
-       if (test_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted))
-               return false;
-
        /* Waiting to drain ELSP? */
        if (READ_ONCE(engine->execlists.active))
                return false;
-- 
2.16.1

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