modetest: add page (#17656)

2026-08-28 20:11:19 +08:00 · 2025-08-16 10:20:06 +03:00
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+# modetest
+
+> Diagnose Direct Rendering Manager and Kernel Mode Setting.
+> More information: <https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841850/Video_Mixer#modetest>.
+
+- List connectors and their available modes for a specific driver:
+
+`modetest -M {{mgag200}} -c`
+
+- Set the resolution of a connector:
+
+`sudo modetest -M {{mgag200}} -s {{connector_id}}:{{1600}}x{{1200}}`