Public bug reported:
[Impact]
EFIFB stops working after graphics device is runtime suspended in
D3cold.
[Fix]
Prevent the graphics device from being runtime suspended.
[Test]
With the patch applied, using efifb on graphics device without driver
always work, because the device stays at D0 all the time.
[Where problems could occur]
Potentially this can affect power consumption, if user expects to put
graphics device to D3cold, and is fine to get a broken efifb.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu Groovy)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1911688 originate-from-1912181
originate-from-1912299 somerville
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Groovy)
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
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https://bugs.launchpad.net/bugs/1914411
Title:
Fix broken efifb on graphics device without driver
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