Go Back   DisplayLink Forum > DisplayLink Graphics Technology > Linux and Open Source

 
 
Thread Tools Search this Thread Display Modes
Prev Previous Post   Next Post Next
Old 10-18-2017, 05:56 PM   #7
k001
Junior Member
 
Join Date: Oct 2017
Posts: 17
Default

Hi Michał,

Thanks for looking into it.

Quote:
Are two screens operational with the older 1.3 driver but identical version of all other packages?
I will try it later today and report back. One problem is I'm using 4.10+ kernels so I'll need to patch the older evdi to be compilable with newer kernels (not a big deal).

Quote:
Does the second screen start to work if you restart X when one screen is up and running?
I never made it working with a new driver.

Quote:
What's the contents of /sys/devices/evdi/count?
Code:
kir@kd:~$ cat /sys/devices/evdi/count 
2
Quote:
What's the output of ls -la /dev/dri?
Code:
kir@kd:~$ ls -la /dev/dri
total 0
drwxr-xr-x   3 root root       140 Oct 17 23:43 .
drwxr-xr-x  20 root root      4280 Oct 18 10:29 ..
drwxr-xr-x   2 root root       120 Oct 17 23:43 by-path
crw-rw----+  1 root video 226,   0 Oct 17 23:43 card0
crw-rw----+  1 root video 226,   1 Oct 18 10:29 card1
crw-rw----+  1 root video 226,   2 Oct 18 10:29 card2
crw-rw----+  1 root video 226, 128 Oct 17 23:43 renderD128
Quote:
With one screen running, what happens if you run (as root):
Code:
echo 1 > /sys/devices/evdi/add
possibly after replugging the USB cable after running it, too?
No changes, except that card3 appears in /dev/dri, and some messages in dmesg:
Code:
[ 2943.659412] evdi: [D] add_store:239 Increasing device count to 3
[ 2943.659897] evdi: [D] evdi_crtc_init:351 drm_crtc_init: 0
[ 2943.660676] evdi: [W] evdi_painter_crtc_state_notify:484 Painter does not exist!
[ 2943.660686] evdi: [D] evdi_detect:78 Painter is disconnected

Last edited by k001; 10-18-2017 at 06:10 PM.
k001 is offline   Reply With Quote
 

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 05:12 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2026, vBulletin Solutions, Inc.