https://bugs.freedesktop.org/show_bug.cgi?id=96699
Bug ID: 96699
Summary: Missing framebuffer copy for flicker-free startup
Product: xorg
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/AMDgpu
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
A standard setup for a linux distro is for plymouth to launch X and gdm.
Currently when booting there is a flicker at the time when X launches.
There is a carefully done handoff there between the two, where plymouth drops
the drm master and them gdm takes it, etc. But for flicker-free boot this does
rely on the X driver starting up with the same framebuffer contents as what was
seen before.
For example,
https://github.com/endlessm/xf86-video-armsoc/commit/7f15fa47b6c35b154cbb39bb6145025b51af401c
It would be great if this could be implemented in amdgpu.
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