Quoting Tvrtko Ursulin (2019-04-15 12:10:17)
> > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> > index 58956b49f392..6c6bd50d87c9 100644
> > --- a/drivers/gpu/drm/i915/i915_debugfs.c
> > +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> > @@ -34,6 +34,7 @@
> >
> > #include "gt/intel_reset.h"
> >
> > +#include "i915_gem_context.h"
> > #include "intel_dp.h"
> > #include "intel_drv.h"
> > #include "intel_fbc.h"
> > @@ -396,9 +397,11 @@ static void print_context_stats(struct seq_file *m,
> > struct i915_gem_context *ctx;
> >
> > list_for_each_entry(ctx, &i915->contexts.list, link) {
> > - struct intel_context *ce;
> > + struct i915_gem_engines_iter it;
> > +
> > + for_each_gem_engine(it, ctx) {
>
> Why no i915_gem_context_lock_engines in debugfs?
Because this version of for_each_gem_engine() provided the locking.
-Chris
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