[Bug 105880] [dc][kabini] Cannot find any crtc or sizes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105880

            Bug ID: 105880
           Summary: [dc][kabini] Cannot find any crtc or sizes
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: chithanh at gentoo.org

Created attachment 138570
  --> https://bugs.freedesktop.org/attachment.cgi?id=138570&action=edit
dmesg with cik_support=1 dc=1

When using kernel 4.16.0 and amdgpu with cik_support=1 dc=1 on Kabini (A4-1200)
the screen will become blank once the module is loaded.

dmesg has the following error:
[drm] Cannot find any crtc or sizes

With radeon or amdgpu.dc=0 the screen lights up, but I cannot use amdgpu for
daily work due to bug 101926.

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