[Bug 797025] kmssink: Add "restore-crtc" property

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Aug 29 18:18:42 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=797025

--- Comment #3 from Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> ---
Created attachment 373501
  --> https://bugzilla.gnome.org/attachment.cgi?id=373501&action=edit
kmssink: Add "restore-crtc" property

This adds "restore-crtc" property using which one
can restore previous crtc mode.

By default it is enabled, if CRTC was already
active with a valid mode and kmssink set a new mode
on CRTC using force-modesetting.

This helps user restore previous crtc mode and get
the previous session back after running a kmssink
pipeline involving a force-modesetting.

For e.g. When running a kmssink pipeline on rpi
using force-modesetting on tty console, it was giving
a blank screen after pipeline, and now with help of restore-crtc
functionality, CRTC is set with previous crtc mode
previously active on tty console.

Edited-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>

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