Opened 4 years ago

Closed 4 years ago

#10228 closed defect (fixed)

vt idle powers down GPU but leaves DCON alive

Reported by: dsd Owned by: dsd
Priority: normal Milestone: 10.1.2
Component: kernel Version: Development build as of this date
Keywords: os300 Cc:
Blocked By: Blocking:
Deployments affected: Action Needed: no action
Verified: no

Description

An XO-1 regression from 8.2 is that previously, idling on the virtual terminal resulted in the screen being partially turned off (some proportion of characters mysteriously disappearing).

On F11 it "works better" in that the GPU actually gets powered down in this state, but we're left with the DCON running, resulting in the scary DCON death pattern on the screen.

Change History (4)

comment:1 Changed 4 years ago by dsd

  • Action Needed changed from never set to add to build

Pushed a kernel fix for this - 87a55c7ff7e5865c83e6a87ba68942c872d0654d

The DCON driver now listens for fb blank events and changes its power state accordingly

comment:2 Changed 4 years ago by dsd

  • Action Needed changed from add to build to test in build

test in upcoming os301

comment:3 Changed 4 years ago by Quozl

  • Milestone changed from 1.0-software-update to 10.1.2

comment:4 Changed 4 years ago by Quozl

  • Action Needed changed from test in build to no action
  • Keywords os300 added
  • Resolution set to fixed
  • Status changed from new to closed
  • Version changed from not specified to Development build as of this date

Reproduced on os300. Tested on os301 XO-1, idle suspend at vt no longer causes scary DCON death pattern meltdown.

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