[Bug 56542] New: winewayland.drv: In-game VSync capped at 59FPS on 60Hz monitors

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56542

Bug ID: 56542
           Summary: winewayland.drv: In-game VSync capped at 59FPS on 60Hz
                    monitors
           Product: Wine
           Version: 9.6
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winewayland
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

The in-game VSync is capped at 59FPS in Cyberpunk 2077 on 60Hz displays. This
game in particular allows the player to adjust the VSync frame rate target, the
given options change to [59 29 19 14] as opposed to [60 30 20 15] under
XWayland.

Benchmark results:
- XWayland + VSync 60 (3 runs): 59.5FPS
- winewayland.drv + VSync 59 (3 runs): 58.4FPS

System information:
- Specs: Ryzen 5 3600 / Radeon 6700XT / 3840x2160 60Hz
- OS: openSUSE Tumbleweed
- DE: GNOME 46
- Display scaling: none
- Wine version: 9.6 (reproducible on all 9.X builds)