Re: [Freedreno] [PATCH 3/7] drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.

2021-07-08 Thread khsieh
On 2021-07-08 00:34, Stephen Boyd wrote: Quoting Kuogee Hsieh (2021-07-06 10:20:16) Aux hardware calibration sequence requires resetting the aux controller in order for the new setting to take effect. However resetting the AUX controller will also clear HPD interrupt status which may accidental

Re: [Freedreno] [PATCH 3/7] drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.

2021-07-08 Thread Stephen Boyd
Quoting Kuogee Hsieh (2021-07-06 10:20:16) > Aux hardware calibration sequence requires resetting the aux controller > in order for the new setting to take effect. However resetting the AUX > controller will also clear HPD interrupt status which may accidentally > cause pending unplug interrupt to

[Freedreno] [PATCH 3/7] drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.

2021-07-06 Thread Kuogee Hsieh
Aux hardware calibration sequence requires resetting the aux controller in order for the new setting to take effect. However resetting the AUX controller will also clear HPD interrupt status which may accidentally cause pending unplug interrupt to get lost. Therefore reset aux controller only when