Bug 199577 - amdgpu fails to return from powersaving mode
Summary: amdgpu fails to return from powersaving mode
Status: NEW
Alias: None
Product: Drivers
Classification: Unclassified
Component: Video(DRI - non Intel) (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: drivers_video-dri
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-05-01 04:18 UTC by adebeus
Modified: 2018-05-01 07:34 UTC (History)
1 user (show)

See Also:
Kernel Version: 4.17_rc3
Subsystem:
Regression: No
Bisected commit-id:

Attachments
dmesg output (22.61 KB, text/plain)
2018-05-01 04:18 UTC, adebeus 		Details
Add an attachment (proposed patch, testcase, etc.)

Description adebeus 2018-05-01 04:18:36 UTC 
Created attachment 275681 [details]
dmesg output

I've been testing the new 4.17 kernel, which finally works for me with the new AMDGPU DC and DP MST monitors (4.15 and 4.16 did not).

However, after the system is idle for long enough for DPMS to activate, the monitors will turn off, but never turn back on. Despite the monitors not working, I was able to SSH into the machine and obtain the output of dmesg, which is attached. I am using a Tonga GPU (Sapphire R9 380).

I would be happy to test any patches that are available or provide any other necessary information.
Note You need to log in before you can comment on or make changes to this bug.