Index: gdm-3.36.2/data/61-gdm.rules.in
===================================================================
--- gdm-3.36.2.orig/data/61-gdm.rules.in
+++ gdm-3.36.2/data/61-gdm.rules.in
@@ -2,3 +2,12 @@
 ATTR{vendor}=="0x19e5", ATTR{device}=="0x1711", RUN+="@libexecdir@/gdm-disable-wayland"
 # disable Wayland when using the proprietary nvidia driver
 DRIVER=="nvidia", RUN+="@libexecdir@/gdm-disable-wayland"
+# disable Wayland on Matrox Electronics Systems Ltd. MGA G200 server engines
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0522", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0524", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0530", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0532", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0533", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0534", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0536", RUN+="@libexecdir@/gdm-disable-wayland"
+ATTR{vendor}=="0x102b", ATTR{device}=="0x0538", RUN+="@libexecdir@/gdm-disable-wayland"