07.12.2021 17:49, Sameer Pujar пишет: ... >>> How the reload case would be different? Can you please specify more >>> details if you are referring to a particular scenario? >> You have a shared power domain. Since power domain can be turned off >> only when nobody keeps domain turned on, you now making reset of HDA >> controller dependent on the state of display driver. > > I don't think that the state of display driver would affect. The HDA > driver itself can issue unpowergate calls which in turn ensures h/w > reset. If display driver is already runtime active, HDA driver runtime > resume after this would be still fine since h/w reset is already applied > during display runtime resume. Note that both HDA and display resets are > connected to this power-domain and BPMP applies these resets during > unpowergate. HDA won't be reset while display is active on T186+. HDA will be reset while is display is inactive on T186+. HDA will be reset regardless of display state on pre-T186. This is a pure inconsistency of the reset behaviour. Please don't do it.
