** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/1818617
Title:
[amdgpu] screen corruption when using touchpad
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem package in Ubuntu:
New
Status in linux source package in Bionic:
In Progress
Status in linux-oem source package in Bionic:
Fix Committed
Bug description:
[Impact]
An OEM system is suffering from screen corruption when the touchpad is used.
This would be fixed by backporting these commits from 4.18:
ebdef28ebbcf767 drm/amdgpu/gmc: steal the appropriate amount of vram for fw
hand-over (v3)
6f752ec2c20c6a5 drm/amdgpu: Free VGA stolen memory as soon as possible.
[Test case]
boot a fixed kernel on the affected system, check that it doesn't suffer from
the corruption
[Regression potential]
low, this has been upstream since 4.18, and AMD asked us to backport these
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