[PATCH 0/1][SRU][J/OEM-5.14] UBUNTU: SAUCE: Revert drm/amd/pm: enable ASPM by default

Koba Ko koba.ko at canonical.com
Mon Mar 28 13:13:12 UTC 2022

BugLink: https://bugs.launchpad.net/bugs/1966680

With WX3200 and 20.04d kernel the unit freezes on resume

commit 0064b0ce85bb ("drm/amd/pm: enable ASPM by default") enabled ASPM
by default but a variety of hardware configurations it turns out that this
caused a regression.

Multiple SKUs with wx3200&rx540 gpus encounter the resume&hange issue.
Before the real fix is landed, revert commit 0064b0ce85bb first.

[Test Case]
1. plug wx3200 on the adl machine and make it as a output.
2. suspend&resume machine
3. check if machine could resume successfully

[Where problems could occur]
Low, don't make AMDGPU ASPM by default.

Koba Ko (1):
  Revert "drm/amd/pm: enable ASPM by default"

 drivers/gpu/drm/amd/amdgpu/nv.c                         | 2 +-
 drivers/gpu/drm/amd/amdgpu/soc15.c                      | 2 +-
 drivers/gpu/drm/amd/amdgpu/vi.c                         | 2 +-
 drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)


More information about the kernel-team mailing list