Created attachment 136199 [details]
journal_suspend_resume_corrupted_screen

Hardware is AMD Bristol Ridge chipset with AMD A10-9620P RADEON R5 SoC.

00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Carrizo (rev ca)
03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 699f
(rev ff)

Kernel is latest Linus master (4.15.0-rc3) compiled with
CONFIG_DRM_AMD_DC_PRE_VEGA=y

When resuming from suspend most of the times the screen is black / corrupted. I
can still SSH into the system.

In attachment the full log, including suspend + resume.