https://bugs.kde.org/show_bug.cgi?id=479002
Bug ID: 479002
Summary: Wayland atomic mode-setting cursors not shown on
vmwgfx driver
Classification: Plasma
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-drm
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When forcing on atomic mode-setting through `export KWIN_DRM_NO_AMS=0` on KDE
Plasma 6 git master (beta2+) in a Wayland session, on VMware Workstation
(vmwgfx kernel driver), no cursor is shown.
Looking at
`watch -n 1 "drm_info | grep -E 'Plane|Connector|FB_ID|\"CRTC'"`
suggests that the plane is assigned to the right CRTC, that the FB_ID changes.
There is no applicable log output at level debug+.
STEPS TO REPRODUCE
1. force atomic mode-setting to on via `export KWIN_DRM_NO_AMS=0`
2. make sure that software cursors are _not_ on (i.e. _not_
KWIN_FORCE_SW_CURSOR=1)
3. log into Plasma Wayland session
OBSERVED RESULT
No cursor visible on screen, but system _acts_ as if there is a cursor present
(clicks etc work)
EXPECTED RESULT
Cursor visible on screen.
ADDITIONAL INFORMATION
Note that right now forcing on of KWIN_DRM_NO_AMS is required due to the Linux
kernel (virtual graphics drivers) lacking some capabilities in version
6.7.0-rc5. With Linux kernel 6.8 these capabilities will be present in the
kernel and kwin will automatically enable atomic mode-setting.
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