[PATCH v1 2/2] drm/msm/dp: Introduce link training per-segment for LTTPRs

2025-03-11 Thread Aleksandrs Vinarskis
DisplayPort requires per-segment link training when LTTPR are switched to non-transparent mode, starting with LTTPR closest to the source. Only when each segment is trained individually, source can link train to sink. Implement per-segment link traning when LTTPR(s) are detected, to support extern

Re: [PATCH v1 2/2] drm/msm/dp: Introduce link training per-segment for LTTPRs

2025-03-11 Thread Abel Vesa
On 25-03-10 22:05:52, Aleksandrs Vinarskis wrote: > DisplayPort requires per-segment link training when LTTPR are switched > to non-transparent mode, starting with LTTPR closest to the source. > Only when each segment is trained individually, source can link train > to sink. > > Implement per-segm

Re: [PATCH v1 2/2] drm/msm/dp: Introduce link training per-segment for LTTPRs

2025-03-11 Thread Johan Hovold
Hi Aleksandrs, Just a drive-by comment. On Mon, Mar 10, 2025 at 10:05:52PM +0100, Aleksandrs Vinarskis wrote: > @@ -1084,10 +1091,13 @@ static int msm_dp_ctrl_update_vx_px(struct > msm_dp_ctrl_private *ctrl) > } > > static bool msm_dp_ctrl_train_pattern_set(struct msm_dp_ctrl_private *ctrl,