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Old 11-06-2017, 07:44 PM   #1
Hiro Uchi
LQ Newbie
 
Registered: Nov 2017
Posts: 2

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Problem with resolution 1366x768 on Matrox G200EH with HWE kernel


Hi,

I am using Ubuntu 16.04.3 LTS + HWE kernel. These are my system-details.

*kernel:*
Quote:
linux-generic-hwe-16.04 4.10.0.28.31
linux-headers-4.10.0-28 4.10.0-28.32~16.04.2
linux-headers-4.10.0-28-generic 4.10.0-28.32~16.04.2
linux-headers-generic-hwe-16.04 4.10.0.28.31
linux-image-4.10.0-28-generic 4.10.0-28.32~16.04.2
linux-image-extra-4.10.0-28-generic 4.10.0-28.32~16.04.2
linux-image-generic-hwe-16.04 4.10.0.28.31
*Graphics controller:*
Quote:
VGA compatible controller: Matrox Electronics Systems Ltd. MGA G200EH (rev 01)
*xserver:*
Quote:
xserver-xorg 1:7.7+13ubuntu3
*mga driver:*
Quote:
xserver-xorg-video-mga 1:1.6.4-1build2
*xrandr:* version 1.5.0
*panel resolution:* 1366x768
*cvt:*
Quote:
# 1368x768 59.88 Hz (CVT) hsync: 47.79 kHz; pclk: 85.25 MHz
Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
*xorg.conf:*
Code:
  Section "Device"
          Identifier      "Configured Video Device"
          Driver          "mga"
  EndSection

  Section "Monitor"
          Identifier      "Atmel panel"
          Modeline        "1366x768" 75.00 1366 1404 1426 1544 768 771 777 810 +hsync +vsync
          Option          "PreferredMode" "1366x768"
  EndSection

  Section "Screen"
          Identifier      "Default Screen"
          Monitor         "Atmel panel"
          Device          "Configured Video Device"
  EndSection
*Problem:*
When I use only Ubuntu 16.04.3 LTS, above settings worked correctly.
However, after install HWE kernel, panel display was leaned around 45 degree.
( I need HWE kernel to fix other issue. )

I could set 1368x768 without lean, but this is not result I wanted.

Could you help me in solving this please?

Thanks
Hiro
 
  


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