The rate is 60 (confirmed on client) and here's the server spew on dragonboard:
[2017-02-21 16:05:35.673186] mirserver: Initial display configuration: [2017-02-21 16:05:35.673356] mirserver: Output 33: HDMI-A connected, used [2017-02-21 16:05:35.673489] mirserver: EDID monitor name: VW246 [2017-02-21 16:05:35.673590] mirserver: EDID manufacturer: ACI [2017-02-21 16:05:35.673678] mirserver: EDID product code: 9458 [2017-02-21 16:05:35.673792] mirserver: Physical size 24.0" 530x300mm [2017-02-21 16:05:35.673860] mirserver: Power is on [2017-02-21 16:05:35.673922] mirserver: Current mode 1920x1080 60.00Hz [2017-02-21 16:05:35.673977] mirserver: Preferred mode 1920x1080 60.00Hz [2017-02-21 16:05:35.674026] mirserver: Orientation normal [2017-02-21 16:05:35.674074] mirserver: Logical size 1920x1080 [2017-02-21 16:05:35.674119] mirserver: Logical position +0+0
The rate is 60 (confirmed on client) and here's the server spew on dragonboard:
[2017-02-21 16:05:35.673186] mirserver: Initial display configuration:
[2017-02-21 16:05:35.673356] mirserver: Output 33: HDMI-A connected, used
[2017-02-21 16:05:35.673489] mirserver: EDID monitor name: VW246
[2017-02-21 16:05:35.673590] mirserver: EDID manufacturer: ACI
[2017-02-21 16:05:35.673678] mirserver: EDID product code: 9458
[2017-02-21 16:05:35.673792] mirserver: Physical size 24.0" 530x300mm
[2017-02-21 16:05:35.673860] mirserver: Power is on
[2017-02-21 16:05:35.673922] mirserver: Current mode 1920x1080 60.00Hz
[2017-02-21 16:05:35.673977] mirserver: Preferred mode 1920x1080 60.00Hz
[2017-02-21 16:05:35.674026] mirserver: Orientation normal
[2017-02-21 16:05:35.674074] mirserver: Logical size 1920x1080
[2017-02-21 16:05:35.674119] mirserver: Logical position +0+0