Need help fixing vsync tearing with dual screen OpenGL (HDMI + DisplayPort)

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Multi-screen configuration puts second monitor on first screen if not initially connected

On the Jetson Nano Dev Kit I am using an xorg.conf that puts the HDMI output on screen 0 and the DP output on screen 1: # cat /etc/X11/xorg.conf # Copyright (c) 2011-2015 NVIDIA CORPORATION. All Rights Reserved. # # This is the minimal configuration necessary to use the Tegra driver. # Please refer to the xorg.conf man page for more configuration # options provided by the X server, including display-related options # provided by RandR 1.2 and higher. # Disable extensions not useful on Tegra.…