<html> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> </head> <body smarttemplateinserted="true" bgcolor="#FFFFFF" text="#000000"> <div id="smartTemplate4-template"> Any hints at all on this? </div> <div class="moz-signature">--Regards, Aleksei </div> <div id="smartTemplate4-quoteHeader"> <hr> From: Aleksei Sent: Wednesday, October 26, 2016 7:17PM To: Xorg Subject: Config to be able to switch X output between 2 video cards via ARandR/xrandr</div> <meta http-equiv="content-type" content="text/html; charset=utf-8"> Hi, My hardware setup is 2 video cards (1 integrated Intel, 1 discrete Nvidia). Intel is connected to a monitor via HDMI, Nvidia is connected to the same monitor via DVI. There's also internal monitor hard-wired to Intel via eDP-1 output (you can see it in attached files). I want to have 2 available outputs in ARandR so I can e.g. switch X output from (Intel->HDMI) to (Nvidia->DVI) and then manually choose input port (DVI/HDMI) on the hardware monitor. I'm starting X with just startx - disabled display manager to eliminate it as a factor. Here's my lspci output: [username@arch ~]$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09) 02:00.0 VGA compatible controller: NVIDIA Corporation GP106 [GeForce GTX 1060] (rev a1) After reading various Xorg manuals I came up with attached Xorg config. Some options are adopted from nvidia-xconfig output. I have 2 entries for monitors, because I want it to run at 144Hz when signal comes from Nvidia and at 60Hz when signal comes from Intel (Intel card can't output 144Hz). This config behaves as follows: <ol> <li>On boot video output (with text tty login) goes to Intel->HDMI</li> <li>I log in, run startx, HDMI screen goes black (but there's a HDMI signal - monitor does not power down)</li> <li>After switching input port to DVI on the monitor I see my usual Openbox session </li> </ol> The problem is that ARandR shows only DVI-D-0 as selectable output. Attached are xrandr outputs for various queries. Apparently outputs to Intel are "active" (marked with "*"), but I get only blank screen on them. What should be fixed with this config (or something else) to be able to switch X output between (Intel->HDMI) and (Nvidia->DVI)? <div class="moz-signature">-- --Regards, Aleksei </div> </body> </html>