[Bug 65024] eDP can't display on Hsw-ULT in UEFI mode

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun May 26 23:48:50 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=65024

--- Comment #1 from XiongZhang <xiong.y.zhang at intel.com> ---
platform:
SharkBay-ULT:
BIOS: HSWLPTU1.86C.114.R07
CPU: Pre-release Intel MCP processor code named Hasswell M,(2+2) 2 cores,GT2,C0
Chipset :Lynx Point-LP A0(QDBY)
Baseboard: Intel ULT board code named Whitetip Mountain Fab 3.
Kernel: drm-intel-next-queued
OS: Ubuntu 13.04

step to reproduce:
1. set "csm always off " in bios
2. boot drm-intel-next-queued kernel in UEFI native mode
3. after i915 modle load and run
4. the eDP display is black, can't show anything. System is still running and I
can login in through SSH.

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