Following a hang and reset, we know that the engine is idle and all context state has been saved or lost. Consequently, we know that the engine is no longer referencing the last context and we can relinquish our tracking.
Signed-off-by: Chris Wilson <[email protected]> Cc: Mika Kuoppala <[email protected]> Cc: Tvrtko Ursulin <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 730804ce9610..638b335e72b6 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2788,8 +2788,14 @@ void i915_gem_reset(struct drm_i915_private *dev_priv) i915_gem_retire_requests(dev_priv); - for_each_engine(engine, dev_priv, id) + for_each_engine(engine, dev_priv, id) { + struct i915_gem_context *ctx; + i915_gem_reset_engine(engine); + ctx = fetch_and_zero(&engine->last_retired_context); + if (ctx) + engine->context_unpin(engine, ctx); + } i915_gem_restore_fences(dev_priv); -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
