Hi Chris,
> @@ -1312,11 +1314,11 @@ static int set_ppgtt(struct drm_i915_file_private
> *file_priv,
> if (vm == rcu_access_pointer(ctx->vm))
> goto unlock;
>
> + old = __set_ppgtt(ctx, vm);
> +
> /* Teardown the existing obj:vma cache, it will have to be rebuilt. *
Quoting Andi Shyti (2020-07-02 23:09:44)
> Hi Chris,
>
> > @@ -1312,11 +1314,11 @@ static int set_ppgtt(struct drm_i915_file_private
> > *file_priv,
> > if (vm == rcu_access_pointer(ctx->vm))
> > goto unlock;
> >
> > + old = __set_ppgtt(ctx, vm);
> > +
> > /* Teard
Rather than reuse the common ctx->mutex for locking the execbuffer LUT,
split it into its own lock to avoid being taken [as part of ctx->mutex]
at inappropriate times. In particular to avoid the inversion from taking
the timeline->mutex for the whole execbuf submission in the next patch.
Signed-of
