[Bug 105175] New: Blank screens [drm:intel_mst_enable_dp [i915]] *ERROR* Timed out waiting for ACT sent

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105175

            Bug ID: 105175
           Summary: Blank screens [drm:intel_mst_enable_dp [i915]] *ERROR*
                    Timed out waiting for ACT sent
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: drgspt at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137470
  --> https://bugs.freedesktop.org/attachment.cgi?id=137470&action=edit
4.15.4 log

ThinkPad X1 Carbon 4th Gen running i7-6600u Skylake

Displays connected to ThinkPad OneLink Plus Dock work in bios/grub and on
kernel version 4.14.20, but fail to light up on kernel 4.15.4

drm.debug=0xe logs attached

available firmwares:
/lib/firmware/i915/skl_huc_ver01_07_1398.bin
/lib/firmware/i915/skl_guc_ver9_33.bin
/lib/firmware/i915/skl_guc_ver6_1.bin
/lib/firmware/i915/skl_dmc_ver1_26.bin

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20180220/47f45634/attachment-0001.html>