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Gentoo's Bugzilla – Attachment 86285 Details for
Bug 116506
Hardware Acceleration Guide lacks checks for hardware support of options
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[patch]
dri-howto.xml.patch
dri-howto.xml.patch (text/plain), 4.04 KB, created by
nm (RETIRED)
on 2006-05-06 08:38:29 UTC
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Description:
dri-howto.xml.patch
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Creator:
nm (RETIRED)
Created:
2006-05-06 08:38:29 UTC
Size:
4.04 KB
patch
obsolete
>Index: dri-howto.xml >=================================================================== >RCS file: /var/cvsroot/gentoo/xml/htdocs/doc/en/dri-howto.xml,v >retrieving revision 1.28 >diff -u -r1.28 dri-howto.xml >--- dri-howto.xml 1 Feb 2006 11:58:34 -0000 1.28 >+++ dri-howto.xml 6 May 2006 15:35:11 -0000 >@@ -20,8 +20,8 @@ > <!-- See http://creativecommons.org/licenses/by-sa/2.5 --> > <license/> > >-<version>1.2</version> >-<date>2006-02-01</date> >+<version>1.3</version> >+<date>2006-05-06</date> > > <chapter> > <title>Introduction</title> >@@ -92,8 +92,10 @@ > <p> > This guide is for people who can't get direct rendering working with just Xorg. > X11-DRM works for 3dfx, gamma, i8x0, matrox, rage128, radeon, mach64 and sis300 >-series drivers. See the <uri link="http://dri.freedesktop.org/">DRI >-homepage</uri> for more info and documentation. >+series drivers. VIA card owners should not use <c>x11-drm</c>, but should >+instead use the DRI provided in recent kernels (>2.6.13). See the <uri >+link="http://dri.freedesktop.org/">DRI homepage</uri> for more info and >+documentation. > </p> > > </body> >@@ -271,6 +273,11 @@ > intel-agp > </pre> > >+<note> >+If you compiled <c>agpgart</c> as a module, you will also need to add it to >+<path>/etc/modules.autoload.d/kernel-2.6</path>. >+</note> >+ > </body> > </section> > </chapter> >@@ -282,18 +289,18 @@ > <body> > > <p> >-Reboot your computer to your new kernel. It's time to see if you have direct >-rendering and how good it is. >+Reboot your computer to your new kernel and login as a normal user. It's time >+to see if you have direct rendering and how good it is. > </p> > > <pre caption="Testing rendering"> >-# <i>startx</i> >+$ <i>startx</i> > <comment>(No need to load modules for your driver or agpgart, if you compiled agpgart as a module.)</comment> > <comment>(They will be loaded automatically.)</comment> >-# <i>glxinfo | grep rendering</i> >+$ <i>glxinfo | grep rendering</i> > direct rendering: Yes > <comment>(If it says "No," you don't have 3D acceleration.)</comment> >-# <i>glxgears</i> >+$ <i>glxgears</i> > <comment>(Test your frames per second (FPS) at the default size. The number should be )</comment> > <comment>(significantly higher than before installing x11-drm. Do this while the CPU is as idle as possible.)</comment> > </pre> >@@ -452,6 +459,57 @@ > EndSection > </pre> > >+<warn> >+Enabling <c>AGPFastWrite</c> on a VIA chipset will very likely cause your >+machine to lock up. VIA chipsets do not play nicely with fast writes, so use >+this setting at your own risk. >+</warn> >+ >+<note> >+Remember, if you want fast writes and sideband addressing to work properly, you >+will have to first enable them in your BIOS. >+</note> >+ >+<!-- >+** >+This section needs to be in eventually, but non-nvidia cards don't use >+/proc/driver at all. We need some way to get users to check and see that SBA >+and fast-writes are allowed for their hardware; that info is somewhere else in >+/proc. If you have a non-nvidia card, you can help by emailing >+nightmorph@gentoo.org with the relevant bits of your /proc so I can get this >+info into the guide. See below for where things are found on an nvidia card. >+** >+ >+<p> >+A few options may increase performance by up to 30 percent (or more) over the >+default. Set them in <path>/etc/X11/xorg.conf</path>. However, you will first >+need to check that your motherboard and video card support these options. >+</p> >+ >+<p> >+First, let's check the supported modes of your video cards, and see if your it >+supports fast writes. Remember to replace <c>nvidia</c> with the actual name of >+your device in <path>/proc/driver/nvidia/</path>. >+</p> >+ >+<pre caption="Video card check"> >+$ <i>cat /proc/driver/nvidia/agp/card</i> >+</pre> >+ >+<p> >+Next, let's check out the capabilities of the motherboard: >+</p> >+ >+<pre caption="Motherboard check"> >+$ <i>cat /proc/driver/nvidia/agp/host-bridge</i> >+</pre> >+ >+<impo> >+Remember, the modes and capabilities for your video card and motherboard must >+match for these settings to work! >+</impo> >+--> >+ > <p> > If you want to set even more features, check out the <uri > link="http://dri.freedesktop.org/wiki/FeatureMatrix">feature matrix</uri> on
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