[Bug 90963] New: i915:No display with Display port [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Jun 12 20:13:05 PDT 2015
https://bugs.freedesktop.org/show_bug.cgi?id=90963
Bug ID: 90963
Summary: i915:No display with Display port
[drm:intel_dp_start_link_train] *ERROR* too many full
retries, give up
Product: DRI
Version: DRI git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: eong.chen at gmail.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 116468
--> https://bugs.freedesktop.org/attachment.cgi?id=116468&action=edit
dmesg withe debug enabled, plug in dp after boot.
dmesg - kernel 4.0.5
* Laptop model: DELL E7440
* Linux distribution: Gentoo x86_64
* Graphics: VGA compatible controller: Intel Corporation Haswell-ULT Integrated
Graphics Controller (rev 0b)
* Arch: x86_64
* kernel: tested with all 4.0.x kernels, the problem appears in all versions.
* xorg-server: 1.16.3-r1
* xf86-video-intel: 2.99.917
* mesa: 10.4.2
* libdrm: 2.4.59
I use dp to connect to a external DELL U3415w(3440 x 1440 at 60Hz). No matter
how I plug in the dp port, after boot or before boot, the monitor doesn't give
any picture, the monitor says it will turn into power save mode. It used to
work with 3.14 kernels.
And it works with my office's DELL U2713HM(2560x1440).
Tried the same cable and same monitor with a MacBook, everything works.
Tried to merge some fixes in the git but found no solution.
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