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Maniphest T8700

Input lag after computer awakes from sleep mode with Linux 5.5.x
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Description

My computer introduces a noticeable input lag after it wakes up from sleeping mode. Animations on screen are choppy and dragged windows are moving distantly from cursor position. I suspect it's some buffering issue but I'm not sure.
My main suspect my GPU, a R9 290 which is a Sea Islands GPU. I also tried to enable AMDGPU DC by passing amdgpu.dc=1 to kernel flags to no avail.
Since I'm using Plasma, I tried to disable the screen compositor but nothing changes even so.

Event Timeline

livingsilver94 created this task.Feb 8 2020, 4:26 PM
Herald added a project: Lacks Project. · View Herald TranscriptFeb 8 2020, 4:26 PM
DataDrake triaged this task as Needs More Info priority.Feb 8 2020, 4:32 PM
DataDrake edited projects, added Hardware; removed Lacks Project.
livingsilver94 added a comment.Feb 8 2020, 5:14 PM

Ah no, the delay is still here. It appears when my computer goes to sleep mode and wakes up, not my screen.

livingsilver94 renamed this task from I had to pass amdgpu.dc=1 with Linux 5.5.x to Input lag after computes awakes from sleep mode with Linux 5.5.x.Feb 8 2020, 5:49 PM
livingsilver94 renamed this task from Input lag after computes awakes from sleep mode with Linux 5.5.x to Input lag after computer awakes from sleep mode with Linux 5.5.x.
livingsilver94 updated the task description. (Show Details)
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