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caf1dec2a7
The function RRCrtcSet call checks to see if the config being set is
already configured, but, doesn't check that the selected outputs are
connected to the crtc before skipping. This means that the following
sequence will omit the final CrtcSet call to the driver:
CRTC c1 connect to output o
CRTC c2 connect to output o
CRTC c1 connect to output o
This change adds the check to ensure that each of the calls are made to
the driver.
Signed-off-by: David Sodman <dsodman@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
http://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
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http://lists.freedesktop.org/mailman/listinfo/xorg
Please submit bug reports to the Xorg bugzilla:
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
The master development code repository can be found at:
git://anongit.freedesktop.org/git/xorg/xserver
http://cgit.freedesktop.org/xorg/xserver
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http://www.x.org/wiki/Development/Documentation/SubmittingPatches
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