mirror of
https://github.com/X11Libre/xf86-video-intel.git
synced 2026-03-24 01:24:12 +00:00
Move README to being a plain old text file.
This commit is contained in:
Eric Anholt
@@ -21,9 +21,4 @@
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AUTOMAKE_OPTIONS = foreign
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SUBDIRS = src man
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if BUILD_LINUXDOC
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README: README.sgml
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$(MAKE_TEXT) README.sgml && mv README.txt README
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endif
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EXTRA_DIST = README.sgml
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EXTRA_DIST = README
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280
README
280
README
@@ -1,177 +1,103 @@
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Information for Intel graphics driver users
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Eric Anholt
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2006-08-04
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____________________________________________________________
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Table of Contents
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1. Introduction
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2. Supported Hardware
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3. Features
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4. Technical Notes
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5. Configuration
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6. Driver Options
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7. Known Limitations
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8. Author
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______________________________________________________________________
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11.. IInnttrroodduuccttiioonn
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This document provides a brief summary of the Intel graphics support
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provided by the xf86-video-intel driver. More information can also be
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found in the i810(4) manual page.
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22.. SSuuppppoorrtteedd HHaarrddwwaarree
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+o i810,
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+o i810-dc100,
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+o i810e
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+o i815
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+o i830
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+o i845
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+o i852
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+o i855
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+o i915
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+o i945
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+o i965
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33.. FFeeaattuurreess
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+o Full support for 8, 15, 16, and 24 bit pixel depths.
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+o Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24
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bit pixel depths.
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+o Hardware accelerated 3D drawing using OpenGL and the DRI.
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+o Hardware cursor support to reduce sprite flicker.
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+o Textured video XV implementation on i915 through i965.
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+o Hardware overlay XV implementation up through i945.
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+o Screen resize and rotation on chipsets up through i945.
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+o Screen resize on i965.
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44.. TTeecchhnniiccaall NNootteess
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+o Interlace modes cannot be supported.
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+o This driver requires kernel support for AGP, which is included in
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Linux kernels 2.3.42 and higher, and FreeBSD 4.1 and higher.
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55.. CCoonnffiigguurraattiioonn
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The driver auto-detects all device information necessary to initialize
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the card. The only lines you should need in the "Device" section of
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your xorg.conf file are:
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Section "Device"
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Identifier "Intel i810"
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Driver "i810"
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EndSection
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In order to use most resolutions, it is necessary to install the
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"agpgart.o" module. You will probably have to compile the module
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yourself (see the notes in the module).
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66.. DDrriivveerr OOppttiioonnss
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Please refer to the i810(4) manual page for information on
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configuration options.
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77.. KKnnoowwnn LLiimmiittaattiioonnss
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+o Many systems with Intel graphics have issues with setting video
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modes at larger than some small maximum resolution. This is not
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fixed in the current release, but is being actively worked on in
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the modesetting branch.
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+o Bug #5795: Some systems have issues with VT switching. This should
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be fixed with the modesetting brach integration.
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+o Bug #5817: Hotkey switching from LVDS to CRT breaks CRT output.
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This is a known issue, but will not be fixed in the current
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release.
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+o Bug #6635: Video is output from an incorrect offset in the
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framebuffer. This is expected to be fixed with the modesetting
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branch integration.
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+o GL_EXT_texture_compression_s3tc is not supported. We can't support
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the extension due to patent restrictions on compression, but may be
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able to support an option for partial extension support in the
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future. For now, this prevents Quake4 and some other games from
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running.
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+o Some X Test Suite cases sometimes fail due to a timeout. These
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cases include: Xt8/XtResizeWindow, Xt8/XtQueryGeometry,
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Xt9/XtAppAddInput, Xt9/XtRemoveInput, Xt9/XtAppAddTimeOut,
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Xt9/XtRemoveTimeOut, Xt9/XtAddGrab, Xt9/XtRemoveGrab.
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+o Some X Test Suite cases fail in 64-bit mode: Xlib9/XDrawArc,
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XDrawImageString, XDrawLine, XDrawRectangle, XDrawSegments,
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XFillArc, XFillPolygon, XFillRectangle, XPutImage,
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Xt11/XtVaGetSubresources, XtSetSubvalues, and XtVaSetSubvalues.
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+o Some GLEAN test cases fail if DRI is enabled: pointAtten,
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readPixSanity, texCombine, texCube, texEnv, texgen,
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coloredTexPerf2, and coloredLitPerf2.
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88.. AAuutthhoorr
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+o Eric Anholt
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+o Keith Whitwell
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The X11R7.1 version of this driver originally came from XFree86 4.4
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rc2.
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The XFree86 version of this driver was donated to The XFree86 Project
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by:
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Precision Insight, Inc.
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Cedar Park, TX
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USA
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The X.Org version of this driver is maintained by Intel Corporation.
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http://www.intellinuxgraphics.org
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Information for Intel graphics driver users
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Eric Anholt
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2006-04-02
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This document provides a brief summary of the Intel graphics support provided
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by the xf86-video-intel driver. More information can also be found in the
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intel(4) manual page.
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Supported Hardware:
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i810,
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i810-dc100,
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i810e
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i815
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i830
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i845
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i852
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i855
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i915
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i945
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i965
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Features
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- Full support for 8, 15, 16, and 24 bit pixel depths.
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- Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24 bit
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pixel depths.
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- Hardware accelerated 3D drawing using OpenGL and the DRI.
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- Hardware cursor support to reduce sprite flicker.
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- Textured video XV implementation on i915 through i965.
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- Hardware overlay XV implementation up through i945.
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- Screen resize and rotation.
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Technical Notes
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- Interlace modes cannot be supported.
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- This driver requires kernel support for AGP, which is included in Linux
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kernels 2.3.42 and higher, and FreeBSD 4.1 and higher.
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- This driver may be built against xserver 1.2.0 or newer. If built
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from git source against an older server, a copy of xserver 1.3.0 source is
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needed to complete the build, which is chosen with the --with-xserver-source
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argument to ./configure. The compatibility mode with xserver 1.2.0 will have
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limited functionality, in particular by not supporting RandR 1.2 or the
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new Damage 1.1 updated needed for 3D applications to work with display
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rotation.
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Configuration
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The driver auto-detects all device information necessary to
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initialize the card. The only lines you should need in the "Device"
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section of your xorg.conf file are:
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Section "Device"
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Identifier "intel"
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Driver "intel"
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EndSection
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Please refer to the intel(4) manual page for information on configuration
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options.
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Known Limitations
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- Bug #8534: i830 laptop panels not supported. The driver
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will fail to recognize them, and only function through VGA output. Two
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partial DVO chip drivers (ivch and ch7017) are included which contain some of
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the code necessary for i830 laptop panel support, but some I2C debugging will
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be necessary to get those drivers to attach.
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- No support for "zaphod mode" dualhead. This is the mode in which two
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Device sections are placed in the config file, and doesn't support DRI or
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many other features. Instead, only "MergedFB-style" dualhead is supported.
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- No support for X Screens larger than 2048 pixels in either direction
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before the 965. This reflects hardware limitations in the x direction on
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those older chips, and limits dualhead functionality. It may be possible to
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extend the limit vertically on these older chips.
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- i855 XV may cause hangs. This was present in the previous release, and no
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workaround is known.
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- SDVO TV-out cards not supported. This should be fixed in the next
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release.
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- Gray output with integrated TV-out and PAL TVs.
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- EXA support unstable on i845.
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Common issues not caused by the driver
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- Font sizes (DPI) are wrong. Some displays incorrectly report their
|
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physical size, which is harmless on most OSes that always assume 96dpi
|
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displays. This can be fixed through quirks for specific monitors in the X
|
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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
|
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itself within head #0's boundaries, which doesn't work well with a second
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head covering the same area as head #0 but larger.
|
||||
- Older resolution-changing applicationss 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
|
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RandR 1.2 environment, and those applications need to be updated to RandR 1.2
|
||||
API when available for better results.
|
||||
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The X11R6 version of this driver originally came from XFree86 4.4 rc2.
|
||||
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||||
The XFree86 version of this driver was donated to The XFree86 Project by:
|
||||
Precision Insight, Inc.
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||||
Cedar Park, TX
|
||||
USA
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||||
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The X.Org version of this driver is maintained by Intel Corporation.
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||||
<http://www.intellinuxgraphics.org>
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||||
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147
README.sgml
147
README.sgml
@@ -1,147 +0,0 @@
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<!DOCTYPE linuxdoc PUBLIC "-//XFree86//DTD linuxdoc//EN" [
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<!ENTITY % defs SYSTEM "defs.ent"> %defs;
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]>
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<article>
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<title>Information for Intel graphics driver users
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<author>Eric Anholt
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<date>2006-04-02
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<toc>
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<sect>Introduction
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<p>
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This document provides a brief summary of the Intel graphics support provided
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by the xf86-video-intel driver. More information can also be found in the
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<htmlurl name="intel(4)" url="intel.4.html"> manual page.
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<sect>Supported Hardware
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<p>
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<itemize>
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<item>i810,
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<item>i810-dc100,
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<item>i810e
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<item>i815
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<item>i830
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<item>i845
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<item>i852
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<item>i855
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<item>i915
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<item>i945
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<item>i965
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</itemize>
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<sect>Features
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<p>
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<itemize>
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<item>Full support for 8, 15, 16, and 24 bit pixel depths.
|
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<item>Hardware accelerated 2D drawing engine support for 8, 15, 16 and
|
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24 bit pixel depths.
|
||||
<item>Hardware accelerated 3D drawing using OpenGL and the DRI.
|
||||
<item>Hardware cursor support to reduce sprite flicker.
|
||||
<item>Textured video XV implementation on i915 through i965.
|
||||
<item>Hardware overlay XV implementation up through i945.
|
||||
<item>Screen resize and rotation.
|
||||
</itemize>
|
||||
|
||||
|
||||
<sect>Technical Notes
|
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<p>
|
||||
<itemize>
|
||||
<item>Interlace modes cannot be supported.
|
||||
<item>This driver requires kernel support for AGP, which is
|
||||
included in Linux kernels 2.3.42 and higher, and FreeBSD 4.1
|
||||
and higher.
|
||||
<item>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.
|
||||
</itemize>
|
||||
|
||||
|
||||
<sect>Configuration
|
||||
<p>
|
||||
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:
|
||||
<verb>
|
||||
Section "Device"
|
||||
Identifier "intel"
|
||||
Driver "intel"
|
||||
EndSection
|
||||
</verb>
|
||||
|
||||
<sect>Driver Options
|
||||
<p>
|
||||
Please refer to the <htmlurl name="intel(4)" url="intel.4.html"> manual page
|
||||
for information on configuration options.
|
||||
|
||||
|
||||
<sect>Known Limitations
|
||||
<p>
|
||||
<itemize>
|
||||
<item>Bug #8534: i830 laptop panels not supported. The driver
|
||||
will fail to recognize them, and only function through VGA output. Two
|
||||
partial DVO chip drivers (ivch and ch7017) are included which contain some of
|
||||
the code necessary for i830 laptop panel support, but some I2C debugging will
|
||||
be necessary to get those drivers to attach.
|
||||
<item>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.
|
||||
<item>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.
|
||||
<item>i855 XV may cause hangs. This was present in the previous release,
|
||||
and no workaround is known.
|
||||
<item>SDVO TV-out cards not supported. This should be fixed in the next
|
||||
release.
|
||||
<item>Gray output with integrated TV-out.
|
||||
<item>EXA support unstable on i845.
|
||||
</itemize>
|
||||
|
||||
<sect>Common issues not caused by the driver
|
||||
<itemize>
|
||||
<item>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.
|
||||
<item>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.
|
||||
<item>Older resolution-changing applicationss 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.
|
||||
<item>
|
||||
</itemize>
|
||||
|
||||
<sect>Author
|
||||
<p>
|
||||
<itemize>
|
||||
<item>Eric Anholt
|
||||
<item>Keith Whitwell
|
||||
</itemize>
|
||||
|
||||
The X11R&relvers; version of this driver originally came from XFree86 4.4 rc2.
|
||||
|
||||
The XFree86 version of this driver was donated to The XFree86 Project by:
|
||||
<verb>
|
||||
Precision Insight, Inc.
|
||||
Cedar Park, TX
|
||||
USA
|
||||
</verb>
|
||||
|
||||
The X.Org version of this driver is maintained by Intel Corporation.
|
||||
|
||||
<htmlurl name="http://www.intellinuxgraphics.org"
|
||||
url="http://www.intellinuxgraphics.org">
|
||||
|
||||
|
||||
</article>
|
||||
Reference in New Issue
Block a user