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drm/i915: Remove redundant check on execlists interrupt

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Since commit 4a118ecbe9 ("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: 4a118ecbe9 ("drm/i915: Filter out spurious execlists context-switch interrupts")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180208151224.16285-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-02-08 15:12:24 +00:00
parent 2927e4211f
commit 8e47b4b65b
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/i915/intel_engine_cs.c
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@ -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;