https://bugs.freedesktop.org/show_bug.cgi?id=100949
Bug ID: 100949 Summary: Power management problem on CIK/SI Product: DRI Version: DRI git Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: major Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: luya@fedoraproject.org
Created attachment 131232 --> https://bugs.freedesktop.org/attachment.cgi?id=131232&action=edit dmesg boot from X550Z
Recent kernel broke the handling of power management for CIK/SI hybrid laptop using the latest 4.9.25-20170502 from https://cgit.freedesktop.org/~agd5f/linux/?h=amd-staging-4.9
Notable highlight:
[ 25.671428] kfd kfd: Allocated 3944480 bytes on gart for device(1002:130d) [ 25.671449] kfd kfd: error getting iommu info. is the iommu enabled? [ 25.671493] kfd kfd: Error initializing iommuv2 for device (1002:130d) [ 25.671558] Creating topology SYSFS entries [ 25.671642] kfd kfd: device (1002:130d) NOT added due to errors
[ 695.257618] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* displayport link status failed [ 695.257654] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* clock recovery failed
For a while, suspend/resume will lock up in back screen forcing a hard reset. Laptop is Asus X500ZE equipped with Kaveri and Hainan dual GPU.