** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1825487
Title:
The Realtek card reader does not enter PCIe 1.1/1.2
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux-oem source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Status in linux-oem source package in Cosmic:
Fix Released
Status in linux source package in Disco:
Fix Released
Status in linux-oem source package in Disco:
Fix Released
Bug description:
[Impact]
The Realtek card reader does not enter PCIe 1.1/1.2.
This keeps Intel SoC staying at PC3, which consumes lots of power.
[Fix]
Set correct ASPM parameter on rtsx_pci.
[Test]
With the patch applied, Intel SoC can enter PC10, which saves lots of power.
[Regression Potential]
Low. The card reader in question still works as before.
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