| Bug ID | 99779 |
|---|---|
| Summary | Lenovo Thinkpad E450 (Kaveri A6-7000 Radeon R4) Blank Screen after suspend (displayport link issues) |
| Product | DRI |
| Version | XOrg git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | critical |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | brookskd@gmail.com |
Created attachment 129527 [details] dmesg 4.9.8 If I shut my laptop lit it suspends, then when opening the lid and resuming I get a blank screen and am unable to get the display to work again unless I reboot. I can ssh into computer and I get displayport link errors in the attached dmesg log. This issue does not occur if I use the radeon kernel module instead of amdgpu. This seems very similar to bug 90320 but I filed this one because it is amdgpu not radeon: https://bugs.freedesktop.org/show_bug.cgi?id=90320 I've also attached the Xorg.0.log but it does not have any errors indicated. It indicates successful exit because I stopped the server over ssh and tried to restart gdm a few times which is why there are multiple displayport link status failed messages in dmesg.
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