[PATCH v4 1/5] drm/dp: Add AUX channel infrastructure

2014-02-04 Thread Jani Nikula
On Tue, 21 Jan 2014, Thierry Reding wrote: > This is a superset of the current i2c_dp_aux bus functionality and can > be used to transfer native AUX in addition to I2C-over-AUX messages. > > Helpers are provided to read and write the DPCD, either blockwise or > byte-wise. Many of the existing help

[PATCH v4 1/5] drm/dp: Add AUX channel infrastructure

2014-01-21 Thread Thierry Reding
This is a superset of the current i2c_dp_aux bus functionality and can be used to transfer native AUX in addition to I2C-over-AUX messages. Helpers are provided to read and write the DPCD, either blockwise or byte-wise. Many of the existing helpers for DisplayPort take a copy of a portion of the D