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Diffstat (limited to 'README')
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1 files changed, 81 insertions, 70 deletions
@@ -1,8 +1,6 @@ - $XFree86: - xc/programs/Xserver/hw/xfree86/doc/sgml/i810.sgml,v 1.4 - 2001/04/04 01:34:18 dawes Exp $ Information for i810 Users - Precision Insight, Inc. - 3 March 2000 + Information for Intel graphics driver users + Eric Anholt + 206-08-04 ____________________________________________________________ Table of Contents @@ -12,88 +10,85 @@ 2. Supported Hardware 3. Features 4. Technical Notes - 5. Reported Working Video Cards - 6. Configuration - 7. Driver Options - 8. Known Limitations - 9. Author + 5. Configuration + 6. Driver Options + 7. Known Limitations + 8. Author ______________________________________________________________________ - [1m1. Introduction[0m + 11.. IInnttrroodduuccttiioonn - This document provides a brief summary of the i810/i815 support - provided by the i810 driver. Support for later chipsets is not - covered here. More up to date information about the i810 driver can - be found in the i810(4) manual page. + 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 i810(4) manual page. - [1m2. Supported Hardware[0m + 22.. SSuuppppoorrtteedd HHaarrddwwaarree - +o Intel 810 motherboards: + +o i810, - +o i810, + +o i810-dc100, - +o i810-dc100, + +o i810e - +o i810e + +o i815 - +o i815 + +o i830 + +o i845 + +o i852 - [1m3. Features[0m + +o i855 + +o i915 - +o Full support for 8, 15, 16, and 24 bit pixel depths. + +o i945 - +o Hardware cursor support to reduce sprite flicker. + +o i965 - +o Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24 - bit pixel depths. - +o Support for high resolution video modes up to 1600x1200. - +o Fully programmable clock supported. + 33.. FFeeaattuurreess - +o Robust text mode restore for VT switching. + +o Full support for 8, 15, 16, and 24 bit pixel depths. + +o Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24 + bit pixel depths. - [1m4. Technical Notes[0m + +o Hardware accelerated 3D drawing using OpenGL and the DRI. + +o Hardware cursor support to reduce sprite flicker. - +o Hardware acceleration is not possible when using the framebuffer in - 32 bit per pixel format, and this mode is not supported by this - driver. + +o Textured video XV implementation on i915 through i965. - +o Interlace modes cannot be supported. + +o Hardware overlay XV implementation up through i945. - +o This driver currently only works for Linux/ix86 and recent versions - of FreeBSD. It requires the agpgart kernel support, which is - included in Linux kernels 2.3.42 and higher, and FreeBSD 4.1 and - higher. + +o Screen resize and rotation on chipsets up through i945. + +o Screen resize on i965. - [1m5. Reported Working Video Cards[0m + 44.. TTeecchhnniiccaall NNootteess - +o Intel evaluation hardware - i810, i810-dc100, i810e and i815. - +o Tyan Tomcat Motherboard. + +o Interlace modes cannot be supported. - +o HappyPC set-top box. + +o This driver requires kernel support for AGP, which is included in + Linux kernels 2.3.42 and higher, and FreeBSD 4.1 and higher. - [1m6. Configuration[0m + 55.. CCoonnffiigguurraattiioonn The driver auto-detects all device information necessary to initialize - the card. The only lines you need in the "Device" section of your - xorg.conf file are: + the card. The only lines you should need in the "Device" section of + your xorg.conf file are: Section "Device" Identifier "Intel i810" @@ -101,54 +96,68 @@ EndSection - or let xorgconfig do this for you. - However, if you have problems with auto-detection, you can specify: + In order to use most resolutions, it is necessary to install the + "agpgart.o" module. You will probably have to compile the module + yourself (see the notes in the module). - +o DacSpeed - in MHz - +o MemBase - physical address of the linear framebuffer + 66.. DDrriivveerr OOppttiioonnss - +o IOBase - physical address of the memory mapped IO registers + Please refer to the i810(4) manual page for information on + configuration options. - In order to use most resolutions, it is necessary to install the (see - the notes in the module). - Note: the i810 driver detects whether your motherboard has display - cache video memory. This memory is has reduced bandwidth compared to - normal system memory, and isn't used by the server. The main function - of this memory is for ancillary buffers (eg. z buffer) in a - forthcoming 3d capable server. + 77.. KKnnoowwnn LLiimmiittaattiioonnss - [1m7. Driver Options[0m + +o Many systems with Intel graphics have issues with setting video + modes at larger than some small maximum resolution. This is not + fixed in the current release, but is being actively worked on in + the modesetting branch. + +o Bug #5774: Some systems have issues with VT switching. This should + be fixed with the modesetting brach integration. - +o "NoAccel" - Turn off hardware acceleration + +o Bug #5817: Hotkey switching from LVDS to CRT breaks CRT output. + This is a known issue, but will not be fixed in the current + release. + +o Bug #6635: Video is output from an incorrect offset in the + framebuffer. This is expected to be fixed with the modesetting + branch integration. - +o "SWCursor" - Request a software cursor (hardware is default) + +o GL_EXT_texture_compression_s3tc is not supported. We can't support + the extension due to patent restrictions on compression, but may be + able to support an option for partial extension support in the + future. For now, this prevents Quake4 and some other games from + running. - +o "Dac6Bit" - Force the use of a 6 Bit Dac (8 Bit is the default) + +o Some X Test Suite cases sometimes fail due to a timeout. These + cases include: Xt8/XtResizeWindow, Xt8/XtQueryGeometry, + Xt9/XtAppAddInput, Xt9/XtRemoveInput, Xt9/XtAppAddTimeOut, + Xt9/XtRemoveTimeOut, Xt9/XtAddGrab, Xt9/XtRemoveGrab. + +o Some X Test Suite cases fail in 64-bit mode: Xlib9/XDrawArc, + XDrawImageString, XDrawLine, XDrawRectangle, XDrawSegments, + XFillArc, XFillPolygon, XFillRectangle, XPutImage, + Xt11/XtVaGetSubresources, XtSetSubvalues, and XtVaSetSubvalues. - [1m8. Known Limitations[0m + +o Some GLEAN test cases fail if DRI is enabled: pointAtten, + readPixSanity, texCombine, texCube, texEnv, texgen, + coloredTexPerf2, and coloredLitPerf2. - +o No 3D support in this release. - +o Running two X servers on different VTs is not supported at this - time. + 88.. AAuutthhoorr - - [1m9. Author[0m - + +o Eric Anholt +o Keith Whitwell - The X11R6.8 version of this driver originally came from XFree86 4.4 + The X11R7.1 version of this driver originally came from XFree86 4.4 rc2. The XFree86 version of this driver was donated to The XFree86 Project @@ -160,7 +169,9 @@ - http://www.precisioninsight.com + The X.Org version of this driver is maintained by Intel Corporation. + + http://www.intellinuxgraphics.org |