[PATCH 0/1][SRU][I/OEM-5.13/OEM-5.14] Fix USB3.1 hotplug after S3 on AMD renoir

[Aaron Ma]

BugLink: https://bugs.launchpad.net/bugs/1952817

[Impact]
On new amdgpu renoir firmware, the USB-type-C port is useless when uplug
the USB-type-C <-> DP/HDMI/VGA Dongle after the system resumed from S3.

[Fix]
Restore the old amdgpu fw, this issue is gone.
For new fw, AMD make kernel fix be ready, after backport, the issue is
not reproduced on new fw.
Cherry-picked from stable kernel release to fix it.

[Test]
After S3 on renoir's platforms, hotplug USB, the USB3.1 devices works
good.

[Where problems could occur]
AMD renoir platform may have issues when suspend.

Jammy already got this commit via stable updates v5.15.3

Mario Limonciello (1):
  drm/amd/display: Look at firmware version to determine using dmub on
    dcn21

 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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2.30.2