Public bug reported:
[Impact]
S2idle doesn't work on AMD Renoir and Cezanne.
[Fix]
Backport AMD PMC driver and pull many new patches let AMDGPU support s2idle.
[Test]
Suspend the laptop and the system freezes.
With the patch applied, suspend works but with some caveats:
1) Keyboard sometimes can't wake up the laptop.
2) Touchpad sometimes can wake up the laptop.
3) RTC can't wake up the laptop.
[Where problems could occur]
Most changes are limited to logic of suspend/resume, and specific to Renoir GFX.
However, there are some refactoring patches may cause unintended results, so
AMDGPU may break for sleep/hibernation/runtime suspend on non-Renoir GFXs.
** Affects: linux (Ubuntu)
Importance: High
Status: Confirmed
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: High
Status: Confirmed
** Affects: linux (Ubuntu Hirsute)
Importance: High
Status: Confirmed
** Affects: linux-oem-5.10 (Ubuntu Hirsute)
Importance: Undecided
Status: Invalid
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Hirsute)
Status: New => Confirmed
** Changed in: linux (Ubuntu Hirsute)
Importance: Undecided => High
** Changed in: linux-oem-5.10 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.10 (Ubuntu Hirsute)
Status: New => Invalid
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1927067
Title:
Add s2idle support on AMD Renoir and Cezanne
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