On Tue, 1 Jun 2021 at 09:52, nicolas saenz julienne <nsaenz@kernel.org>
wrote:

> What's to expect sound wise on older RPis?


I'd say 8 channel 48kHz is good. 2 channel 192KHz is good.
Higher than that and we start to lose samples in the HDMI MAI bus fifo.

The firmware workaround made 4 channel 192kHz somewhat more reliable, but
it would still fail when sdram was busy,
so I don't think it's worth maintaining that.