On Mon, Oct 15, 2018 at 09:43:04AM +0200, Rafael J. Wysocki wrote: > On Sat, Oct 13, 2018 at 5:17 PM Christoph Hellwig <hch@xxxxxx> wrote: > > > > The DMA API does its own zone decisions based on the coherent_dma_mask. > > > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Can you pick it up through the cpufreq tree?