Re: [PATCH v3 2/5] drm/dp: fix link probing for devices supporting DP 1.4+

2018-09-13 Thread Andrzej Hajda
On 28.08.2018 12:24, Damian Kos wrote: > From: Quentin Schulz > > DP 1.4 introduced a DP_EXTENDED_RCVR_CAPA_FIELD_PRESENT bit in > DP_TRAINING_AUX_RD_INTERVAL register. If set, DPCD registers from DP_DPCD_REV > to DP_ADAPTER_CAP should be retrieved starting from DP_DPCD_REV_EXTENDED. > All registe

[PATCH v3 2/5] drm/dp: fix link probing for devices supporting DP 1.4+

2018-08-29 Thread Damian Kos
From: Quentin Schulz DP 1.4 introduced a DP_EXTENDED_RCVR_CAPA_FIELD_PRESENT bit in DP_TRAINING_AUX_RD_INTERVAL register. If set, DPCD registers from DP_DPCD_REV to DP_ADAPTER_CAP should be retrieved starting from DP_DPCD_REV_EXTENDED. All registers are copied except DP_DPCD_REV, DP_MAX_LINK_RATE