[Bug 105996] [DC][CIK] Bonaire mobile - No displays being turned on

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105996

            Bug ID: 105996
           Summary: [DC][CIK] Bonaire mobile -  No displays being turned
                    on
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: shawn.starr at rogers.com

Created attachment 138777
  --> https://bugs.freedesktop.org/attachment.cgi?id=138777&action=edit
Dmesg krnel boot with dc_log enabled

Fedora kernel: 4.17.0-0.rc0.git7.2.fc29.x86_64 (pre -rc1)

Boot options: 

root=UUID=c88abf6f-2561-41e5-bec5-c3b2881d0ffc ro rhgb slub_debug=-
cgroup_disable=memory console=tty0 console=ttyUSB0,9600n8 nmi_watchdog=0
audit=0 radeon.cik_support=0 amdgpu.cik_support=1 resume=/dev/sda7
i915.enable_rc6=1 i915.semaphores=1 i915.enable_psr=1 i915.enable_fbc=1
drm_kms_helper.poll=0 mce=off amdgpu.dc=1 amdgpu.dc_log=1

Note: BIOS is in dGPU only mode, so i915 is disabled.

both VGA and the LCD (LVDS) panel remain turned off, no display is available.


Attached is kernel dmesg and Xorg log files.

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