Public bug reported:
[Impact]
AMD Prairie Falcon is the AME Embedded variant of Stoney. It fails to boot up
without disable its CGCG feature.
Set 'amdgpu.cg_mask=0xfffffffb' kernel parameter to disable CGCG
[Fix]
Suggestion from AMD that we have to cherry pick this commit which is included
in v4.16
fb4bbba27753 drm/amdgpu: re-enable CGCG on CZ and disable on ST
[Test]
[Regression Potential]
Low, this commit has been included for more than one and a half year in the
upstream, should be pretty safe to include it.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1850572
Title:
AMD Prairie Falcon platform failed to boot up
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