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-Information for Intel graphics driver users
-Eric Anholt
-2007-07-02
+xf86-video-intel
+Open-source X.org graphics driver for Intel graphics
+http://www.intellinuxgraphics.com/
-This document provides a brief summary of the Intel graphics support provided
-by the xf86-video-intel driver. More information can also be found in the
-intel(4) manual page.
+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:
-Supported Hardware:
- i810,
- i810-dc100,
- i810e
- i815
- i830
- i845
- i852
- i855
- 915G
- 915GM
- 945G
- 945GM/GME
- 946GZ
- G965
- GM/GME965
- G33/Q33/Q35
+ i810/i810e/i810-dc100,i815,
+ i830M,845G,852GM,855GM,865M,
+ 915G/GM,945G/GM/GME,946GZ
+ G/GM/GME965,
+ G/Q33,G/Q35,G41,G/Q43
+ G/GM/Q45
-Features
-- Full support for 8, 15, 16, and 24 bit pixel depths.
-- Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24 bit
- pixel depths.
-- Hardware accelerated 3D drawing using OpenGL and the DRI.
-- Hardware cursor support to reduce sprite flicker.
-- Textured video XV implementation on i915 through i965.
-- Hardware overlay XV implementation up through i945.
-- Screen resize and rotation.
+Where to get more information about the driver
+----------------------------------------------
+The primary source of information about this and other open-source
+drivers for Intel graphics is:
-Technical Notes
-- Interlace modes cannot be supported.
-- This driver requires kernel support for AGP, which is included in Linux
- kernels 2.3.42 and higher, and FreeBSD 4.1 and higher.
-- This driver may be built against xserver 1.2.0 or newer. If built
- from git source against an older server, a copy of xserver 1.3.0 source is
- needed to complete the build, which is chosen with the --with-xserver-source
- argument to ./configure. The compatibility mode with xserver 1.2.0 will have
- limited functionality, in particular by not supporting RandR 1.2 or the
- new Damage 1.1 updated needed for 3D applications to work with display
- rotation.
+ http://intellinuxgraphics.org/
-Configuration
+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:
-The driver auto-detects all device information necessary to
-initialize the card. The only lines you should need in the "Device"
-section of your xorg.conf file are:
+ man intel
- Section "Device"
- Identifier "intel"
- Driver "intel"
- EndSection
+Mailing list for communication with users and developers of
+xf86-video-intel:
-Please refer to the intel(4) manual page for information on configuration
-options.
+ intel-gfx@lists.freedesktop.org.
+ Note: Subscription is required before posting, but anyone is
+ free to subscribe. See instructions (and archives) here:
-Known Limitations
-- No support for "zaphod mode" dualhead. This is the mode in which two
- Device sections are placed in the config file, and doesn't support DRI or
- many other features. Instead, only "MergedFB-style" dualhead is supported.
-- No support for X Screens larger than 2048 pixels in either direction
- before the 965. This reflects hardware limitations in the x direction on
- those older chips, and limits dualhead functionality. It may be possible to
- extend the limit vertically on these older chips.
-- i855 XV may cause hangs. This was present in the previous release, and no
- workaround is known.
-- SDVO TV-out cards not supported. This should be fixed in the next
- release.
-- Gray output with integrated TV-out and PAL TVs.
-- EXA support unstable on i845.
-- Some GM965 systems, such as the Thinkpad T61, probe the TV as being connected
- even when no output connector is available. This results in the gnome-panel
- issue noted below.
+ http://lists.freedesktop.org/mailman/listinfo/intel-gfx
-Common issues not caused by the driver
-- Font sizes (DPI) are wrong. Some displays incorrectly report their
- physical size, which is harmless on most OSes that always assume 96dpi
- displays. This can be fixed through quirks for specific monitors in the X
- Server, and the output of xrandr --prop along with a physical measurement of
- the screen size in a bug report against the server can help get that fixed.
-- gnome-panel is located in the middle of the screen. gnome-panel places
- itself within head #0's boundaries, which doesn't work well with a second
- head covering the same area as head #0 but larger.
-- Older resolution-changing applications have poor results in
- multihead systems. Previous extensions such as RandR 1.1 exposed only a
- single output to client programs, and those requests map poorly to multi-head
- systems. Currently, those requests map to just one of the outputs in the
- RandR 1.2 environment, and those applications need to be updated to RandR 1.2
- API when available for better results.
+To report bugs encountered with the driver:
-The X11R6 version of this driver originally came from XFree86 4.4 rc2.
+ http://bugs.freedesktop.org
-The XFree86 version of this driver was donated to The XFree86 Project by:
- Precision Insight, Inc.
- Cedar Park, TX
- USA
+ Product: xorg
+ Component: Driver/intel
-The X.Org version of this driver is maintained by Intel Corporation.
-<http://www.intellinuxgraphics.org>
+To see bugs that are targeted to be fixed in the next release:
+
+ https://bugs.freedesktop.org/show_bug.cgi?id=intel-2d-release