On Mon, Sep 07, 2020 at 05:21:52PM +0300, Heikki Krogerus wrote:
> From: Utkarsh Patel <utkarsh.h.patel@xxxxxxxxx>
>
> According to the PMC Type C Subsystem (TCSS) Mux programming guide rev
> 0.7, bits 4 and 5 are reserved in Alternate modes.
> SBU Orientation and HSL Orientation needs to be configured only during
> initial cable detection in USB connect flow based on device property of
> "sbu-orientation" and "hsl-orientation".
> Configuring these reserved bits in the Alternate modes may result in delay
> in display link training or some unexpected behaviour.
> So do not configure them while issuing Alternate Mode requests.
>
> Fixes: ff4a30d5e243 ("usb: typec: mux: intel_pmc_mux: Support for static SBU/HSL orientation")
5.8 is still a stable kernel now, so I'll add cc: stable to this...
thanks,
greg k-h
