https://bugs.freedesktop.org/show_bug.cgi?id=103863
Bug ID: 103863
Summary: Screen doesn't light up with "amdgpu.dc=1"
Product: xorg
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Driver/AMDgpu
Assignee: xorg-driver-ati@lists.x.org
Reporter: b.bel...@gmail.com
QA Contact: xorg-t...@lists.x.org
My screen doesn't light up if I start the kernel with option "amdgpu.dc=1"
Config is:
Fedora 27 + kernel 4.15.0-0.rc0.git7.1.fc28.x86_64
Radeon R9 380X
Dell U2414H
dmesg error is:
kernel: [drm:dm_logger_write [amdgpu]] *ERROR* perform_clock_recovery_sequence:
Link Training Error, could not get CR after 100 tries.
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