[Bug 45946] Regression in commit 580ea44bc65472c0304d74b7e873acfb7f680b85: Landscape in "The Witness" flashes wildly

https://bugs.winehq.org/show_bug.cgi?id=45946

--- Comment #4 from David Oftedal  ---
The model of the card according to the manufacturer spec is a Radeon 7670M:
Type : AMD Radeon™ HD 7670M Graphics (2GB dedicated memory)

Various driver info:

Glxinfo:
Device: AMD TURKS (DRM 2.50.0 / 4.18.0-8-generic, LLVM 7.0.0) (0x6840)
OpenGL renderer string: AMD TURKS (DRM 2.50.0 / 4.18.0-8-generic, LLVM 7.0.0)

lsmod:
radeon               1462272  52

syslog
Oct  7 16:41:27 lightning kernel: [    2.784659] [drm] Initialized radeon
2.50.0 20080528 for 0000:01:00.0 on minor 0

Xorg.0.log:
[    30.590] (II) RADEON: Driver for ATI/AMD Radeon chipsets:
    ATI Radeon X1950, ATI Radeon X1900,
(etc. etc. etc.),
[    30.738] (II) RADEON(0): glamor X acceleration enabled on AMD TURKS (DRM
2.50.0 / 4.18.0-8-generic, LLVM 7.0.0)