Re: [PATCH v6] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Kuogee Hsieh
On 6/14/2022 2:59 PM, Stephen Boyd wrote: Quoting Kuogee Hsieh (2022-06-14 14:05:02) Display resolution change is implemented through drm modeset. Older modeset (resolution) has to be disabled first before newer modeset (resolution) can be enabled. Display disable will turn off both pixel

Re: [PATCH v6] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Kuogee Hsieh
On 6/14/2022 2:59 PM, Stephen Boyd wrote: Quoting Kuogee Hsieh (2022-06-14 14:05:02) Display resolution change is implemented through drm modeset. Older modeset (resolution) has to be disabled first before newer modeset (resolution) can be enabled. Display disable will turn off both pixel

Re: [PATCH v6] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Stephen Boyd
Quoting Kuogee Hsieh (2022-06-14 14:05:02) > Display resolution change is implemented through drm modeset. Older > modeset (resolution) has to be disabled first before newer modeset > (resolution) can be enabled. Display disable will turn off both > pixel clock and main link clock so that main

[PATCH v6] drm/msm/dp: force link training for display resolution change

2022-06-14 Thread Kuogee Hsieh
Display resolution change is implemented through drm modeset. Older modeset (resolution) has to be disabled first before newer modeset (resolution) can be enabled. 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