[PATCH 0/1][SRU][B] PCI: Restore resized BAR state on resume

You-Sheng Yang vicamo.yang at canonical.com
Tue Apr 23 09:50:39 UTC 2019


BugLink: https://bugs.launchpad.net/bugs/1825958

[Impact]
Multiple amdgpu equipped platforms have screen freeze when resumed from
S3.

[Fix]
d3252ace0bc6 PCI: Restore resized BAR state on resume

This was landed to vanilla kernel v4.19 and has also been SRU-ed to
Cosmic.

[Reproduce Steps]
1. Plugged the HDMI monitor and boot
2. Enter S3 and resume from S3
3. The screen is frozen during login screen

[Regression Risk]
Low. Included in stable kernel v4.18.5 and is already in Cosmic as well.

Christian K├Ânig (1):
  PCI: Restore resized BAR state on resume

 drivers/pci/pci.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

-- 
2.20.1




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