[Intel-gfx] [PATCH v2] drm/i915: Fix assert_forcewake_active consideration of timer

Chris Wilson chris at chris-wilson.co.uk
Sun Jul 7 16:52:59 UTC 2019


The timer will keep running until there are no active users of the
fw_domain; until it completes, the wake_count will be raised.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
Last go, honest.
-Chris
---
 drivers/gpu/drm/i915/intel_uncore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 5f0367fd3200..e13539fedd59 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -764,7 +764,7 @@ void assert_forcewakes_active(struct intel_uncore *uncore,
 		unsigned int actual = READ_ONCE(domain->wake_count);
 		unsigned int expect = 1;
 
-		if (hrtimer_active(&domain->timer) && READ_ONCE(domain->active))
+		if (hrtimer_active(&domain->timer))
 			expect++; /* pending automatic release */
 
 		if (WARN(actual < expect,
-- 
2.20.1



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