[Bug 104292] New: Resolution max problem since kernel 4.13
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Dec 16 17:45:55 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=104292
Bug ID: 104292
Summary: Resolution max problem since kernel 4.13
Product: DRI
Version: XOrg git
Hardware: Other
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: fce.valeins at libertysurf.fr
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Since upgrading kernel 4.12 to 4.13 or 4.14 I have a screen resolution problem.
My computer is a ZOTAC ZBOX CI547 nano with a graphics card Intel Corporation
HD Graphics 620 (rev 02)
With kernel 4.12 I have a maximum resolution of 1920x1080
Here is the return of the xrandr command :
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
DP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis)
530mm x 300mm
1920x1080 60.00*+ 50.00 59.94
1920x1080i 60.00 50.00 59.94
1600x1200 60.00
1680x1050 59.88
1280x1024 60.02
1440x900 59.90
1280x960 60.00
1280x720 60.00 50.00 59.94
1152x720 59.97
1024x768 60.00
800x600 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 66.67 60.00 59.94
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
but with a 4.13 or 4.14 kernel I have 1152x720
Screen 0: minimum 8 x 8, current 1152 x 720, maximum 32767 x 32767
DP1 connected primary 1152x720+0+0 (normal left inverted right x axis y axis)
530mm x 300mm
1152x720 59.97*
1024x768 60.00
800x600 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 66.67 60.00 59.94
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
Here my Xorg log file for kernel 4.12.13-1-ARCH
https://pastebin.com/srjjir7R
and here Xorg log file for kernel 4.14.4-1-ARCH
https://pastebin.com/QbbHbs7C
the onlyd diffrence is
Kernel 4.14
[ 13.047] (II) intel(0): Using Kernel Mode Setting driver: i915, version
1.6.0 20170403
[ 13.283] (II) intel(0): switch to mode 1920x1080 at 60.0 on DP1 using pipe 0,
position (0, 0), rotation normal, reflection none
Kernel 4.12
[ 12.253] (II) intel(0): Using Kernel Mode Setting driver: i915, version
1.6.0 20170818
[ 12.632] (II) intel(0): switch to mode 1152x720 at 60.0 on DP1 using pipe 0,
position (0, 0), rotation normal, reflection none
it's the same with 4.13 kernel
I have try to set custom mode with :
cvt 1920 1080
# 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz
Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120
-hsync +vsync
xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088
1120 -hsync +vsync
xrandr --addmode DP1 "1920x1080_60.00"
xrandr --output DP1 --mode "1920x1080_60.00"
xrandr: Configure crtc 0 failed
in dmesg and journalctl I have this error
[dim. déc. 10 14:45:11 2017] [drm:intel_dp_get_link_train_fallback_values
[i915]] *ERROR* Link Training Unsuccessful
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