(In reply to Lyude Paul from comment #13) > Poke: this should be reverted, as mentioned in IRC enabling DC has > unfortunately broken the displays on this TONGA GPU as well. GPU info: > > [AMD/ATI] Tonga PRO [Radeon R9 285/380] [1002:6939] (rev f1) Tonga is a different generation of display hardware so is unrelated to this.