[Intel-gfx] [PATCH 11/28] drm/i915/pm: Move CONTEXT_VALID_BIT check

Maarten Lankhorst
2021-10-21T10:37:07Z

Resetting will clear the CONTEXT_VALID_BIT, so wait until after that to test.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
---
drivers/gpu/drm/i915/gt/intel_engine_pm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index a1334b48dde7..849fbb229bd3 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -52,8 +52,6 @@ static int __engine_unpark(struct intel_wakeref *wf)
/* Discard stale context state from across idling */
ce = engine->kernel_context;
if (ce) {
- GEM_BUG_ON(test_bit(CONTEXT_VALID_BIT, &ce->flags));
-
/* Flush all pending HW writes before we touch the context */
while (unlikely(intel_context_inflight(ce)))
intel_engine_flush_submission(engine);
@@ -68,6 +66,9 @@ static int __engine_unpark(struct intel_wakeref *wf)
ce->timeline->seqno,
READ_ONCE(*ce->timeline->hwsp_seqno),
ce->ring->emit);
+
+ GEM_BUG_ON(test_bit(CONTEXT_VALID_BIT, &ce->flags));
+
GEM_BUG_ON(ce->timeline->seqno !=
READ_ONCE(*ce->timeline->hwsp_seqno));
}
--
2.33.0