When we reset the legacy ring context, due to potential corruption over
suspend/resume, remove the valid bit so that we avoid loading garbage.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_ring_submission.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index a41b43f445b8..1959e3e5b8e9 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -602,6 +602,7 @@ static int ring_context_pin(struct intel_context *ce, void
*unused)
static void ring_context_reset(struct intel_context *ce)
{
intel_ring_reset(ce->ring, ce->ring->emit);
+ __clear_bit(CONTEXT_VALID_BIT, &ce->flags);
}
static const struct intel_context_ops ring_context_ops = {
--
2.20.1
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