Re: [PATCH] drm/dp_mst: Support remote i2c writes

2020-09-01 Thread Ville Syrjälä
On Mon, Jul 27, 2020 at 04:03:37PM +1000, Sam McNally wrote: > For DP MST outputs, the i2c device currently only supports transfers > that can be implemented using remote i2c reads. Such transfers must > consist of zero or more write transactions followed by one read > transaction. DDC/CI commands

[PATCH] drm/dp_mst: Support remote i2c writes

2020-07-26 Thread Sam McNally
For DP MST outputs, the i2c device currently only supports transfers that can be implemented using remote i2c reads. Such transfers must consist of zero or more write transactions followed by one read transaction. DDC/CI commands require standalone write transactions and hence aren't supported. Si