Public bug reported:
[Impact]
Video output MUX switched from Intel GPU to Nvidia GPU after S3, so
display settings are lost.
[Fix]
Always use Nvidia GPU to do the video output. This matches the behavior
on the other OS.
[Test]
Connect and external monitor, and change the scaling factor or
resolution, suspend the laptop.
After wakeup, the custom monitor setting is kept.
[Where problems could occur]
If nvidia.ko or nouveau.ko is blacklisted, the video output may stop
working, as it's now routed away from i915 device.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Affects: linux (Ubuntu Hirsute)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.10 (Ubuntu Hirsute)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.13 (Ubuntu Hirsute)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Impish)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.10 (Ubuntu Impish)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.13 (Ubuntu Impish)
Importance: Undecided
Status: Invalid
** Tags: oem-priority originate-from-1909980 stella
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Impish)
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-oem-5.13 (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
** Also affects: linux-oem-5.13 (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Hirsute)
Status: New => Confirmed
** Changed in: linux (Ubuntu Impish)
Status: New => Confirmed
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.10 (Ubuntu Hirsute)
Status: New => Invalid
** Tags added: oem-priority originate-from-1909980 stella
** Changed in: linux-oem-5.10 (Ubuntu Impish)
Status: New => Invalid
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.13 (Ubuntu Hirsute)
Status: New => Invalid
** Changed in: linux-oem-5.13 (Ubuntu Impish)
Status: New => Invalid
** Changed in: linux (Ubuntu Hirsute)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Impish)
Importance: Undecided => Medium
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1936296
Title:
Fix display output on HP hybrid GFX laptops
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