Re: [PATCH v5] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Kuogee Hsieh
On 6/14/2022 1:38 AM, Stephen Boyd wrote: Quoting Kuogee Hsieh (2022-06-13 14:48:37) During display resolution changes display have to be disabled first followed by display enabling with new resolution. Display disable will turn off both pixel clock and main link clock so that main link have t

Re: [PATCH v5] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Kuogee Hsieh
On 6/14/2022 1:38 AM, Stephen Boyd wrote: Quoting Kuogee Hsieh (2022-06-13 14:48:37) During display resolution changes display have to be disabled first followed by display enabling with new resolution. Display disable will turn off both pixel clock and main link clock so that main link have t

Re: [PATCH v5] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Stephen Boyd
Quoting Kuogee Hsieh (2022-06-13 14:48:37) > During display resolution changes display have to be disabled first > followed by display enabling with new resolution. Display disable > will turn off both pixel clock and main link clock so that main link > have to be re-trained during display enable t

[PATCH v5] drm/msm/dp: force link training for display resolution change

2022-06-13 Thread Kuogee Hsieh
During display resolution changes display have to be disabled first followed by display enabling with new resolution. Display disable will turn off both pixel clock and main link clock so that main link have to be re-trained during display enable to have new video stream flow again. At current impl