What is the standard of review for a finding of bias established by a court?

rely on evidence that, in light of the entire record, supports its conclusion that bias was established. It is important to make clear that a reviewing court does not reweigh the evidence under either test. Under the demonstrable reality standard, however, the reviewing court must be confident that the trial court's conclusion is manifestly supported by evidence on which the court actually relied.' " (People v. Homick (2012) 55 Cal.4th 816, 899, quoting Barnwell, supra, 41 Cal.4th at p. 1052-1053.)