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Chris Wilson a511f22cde sna: Enable TearFree by default on recent HW 
When there is ample memory bandwidth and we are not fighting for global
resources, enable TearFree by default. Avoiding tearing is much more
pleasant (for direct rendering where the source itself is not being
synchronized to vblank) at negligible power cost; just doubles the
memory footprint of scanout.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/2799
References: https://gitlab.freedesktop.org/drm/intel/-/issues/2763
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 		2020-12-15 17:00:20 +00:00
benchmarks Start splitting out the benchmarks from test/ 2015-07-23 14:51:02 +01:00
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m4 Prefer i830_dri.so for gen2 chipsets 2013-04-17 15:28:13 +01:00
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src sna: Enable TearFree by default on recent HW 2020-12-15 17:00:20 +00:00
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README 

xf86-video-intel
Open-source X.org graphics driver for Intel graphics
https://01.org/linuxgraphics/

What is xf86-video-intel
------------------------
The xf86-video-intel module is an open-source 2D graphics driver for
the X Window System as implemented by X.org. It supports a variety of
Intel graphics chipsets including:

	i810/i810e/i810-dc100,i815,
	i830M,845G,852GM,855GM,865G,
	915G/GM,945G/GM/GME,946GZ
	G/GM/GME/Q965,
	G/Q33,G/Q35,G41,G/Q43,G/GM/Q45
	PineView-M (Atom N400 series)
	PineView-D (Atom D400/D500 series)
	Intel(R) HD Graphics,
	Intel(R) Iris(TM) Graphics,
	Intel(R) Iris(TM) Pro Graphics.

Where to get more information about the driver
----------------------------------------------
The primary source of information about this and other open-source
drivers for Intel graphics is:

	https://01.org/linuxgraphics/

Documentation specific to the xf86-video-intel driver including
possible configuration options for the xorg.conf file can be found in
the intel(4) manual page. After installing the driver this
documentation can be read with the following command:

	man intel

Mailing list for communication with users and developers of
xf86-video-intel:

	intel-gfx@lists.freedesktop.org

	Note: Subscription is required before posting, but anyone is
	free to subscribe. See instructions (and archives) here:

	http://lists.freedesktop.org/mailman/listinfo/intel-gfx

To report bugs encountered with the driver, see:

	https://01.org/linuxgraphics/documentation/how-report-bugs

To see bugs that are targeted to be fixed in the next release:

	https://bugs.freedesktop.org/show_bug.cgi?id=intel-2d-release