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forshark

Member

Registered: 2013-01-03

Posts: 41

lenovo l490 whisky lake graphics undetected resolution problem

Hello,

I have a lenovo laptop with whiskey lake graphics and wish to run 1080p resolution.

[forshark@thinkpad:~]$ sudo lshw  -class display
  *-display                 
       description: VGA compatible controller
       product: UHD Graphics 620 (Whiskey Lake)
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:141 memory:a0000000-a0ffffff memory:90000000-9fffffff ioport:3000(size=64) memory:c0000-dffff

I have followed the wikis advice and ran:

[forshark@thinkpad:~]$ 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

[forshark@thinkpad:~]$ xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

[forshark@thinkpad:~]$ xrandr --addmode eDP1 1920x1080_60.00
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  140 (RANDR)
  Minor opcode of failed request:  18 (RRAddOutputMode)
  Serial number of failed request:  39
  Current serial number in output stream:  40

This is as far as I can get. The output of xrandr is as follows.

[forshark@thinkpad:~]$ xrandr
Screen 0: minimum 8 x 8, current 1366 x 768, maximum 32767 x 32767
eDP1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 310mm x 170mm
   1366x768      60.06*+
   1280x720      59.86    60.00    59.74  
   1024x768      60.00  
   1024x576      60.00    59.90    59.82  
   960x540       60.00    59.63    59.82  
   800x600       60.32    56.25  
   864x486       60.00    59.92    59.57  
   640x480       59.94  
   720x405       59.51    60.00    58.99  
   680x384       60.00  
   640x360       59.84    59.32    60.00  
DP1 disconnected (normal left inverted right x axis y axis)
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)
  1920x1080_60.00 (0x1d6) 173.000MHz -HSync +VSync
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock  67.16KHz
        v: height 1080 start 1083 end 1088 total 1120           clock  59.96Hz

How do I add 1080p resolution for this laptop?

Last edited by forshark (2020-10-30 20:46:00)

forshark

Member

Registered: 2013-01-03

Posts: 41

Re: lenovo l490 whisky lake graphics undetected resolution problem

Anyone else having this issue with "UHD Graphics 620 (Whiskey Lake)" graphics on any laptop? Is your laptop running perfectly?