From 5c8561aae22138880673503d930af7f1b361d071 Mon Sep 17 00:00:00 2001 From: Brian Date: Wed, 25 Apr 2007 14:52:29 -0600 Subject: More detailed instructions, tips. --- README | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 68 insertions(+), 3 deletions(-) diff --git a/README b/README index b466dd88..40f7e114 100644 --- a/README +++ b/README @@ -1,4 +1,69 @@ -By default, this will install into /usr/local. If you want to install this -libdrm to replace your system copy, say: -./configure --prefix=/usr --exec-prefix=/ +DRM README file + + +There are two main parts to this package: the DRM client library/interface +(libdrm.so) and kernel/hardware-specific device modules (such as i915.ko). + + + +Compiling +--------- + +By default, libdrm and the DRM header files will install into /usr/local/. +If you want to install this DRM to replace your system copy, say: + + ./configure --prefix=/usr --exec-prefix=/ + +Then, + make install + + +To build the device-specific kernel modules: + + cd linux-core/ + make + cp *.ko /lib/modules/VERSION/kernel/drivers/char/drm/ + (where VERSION is your kernel version: uname -f) + +Or, + cd bsd-core/ + make + copy the kernel modules to the appropriate place + + + +Tips & Trouble-shooting +----------------------- + +1. You'll need kernel sources. If using Fedora Core 5, for example, you may + need to install RPMs such as: + + kernel-smp-devel-2.6.15-1.2054_FC5.i686.rpm + kernel-devel-2.6.15-1.2054_FC5.i686.rpm + etc. + + +2. You may need to make a symlink from /lib/modules/VERSION/build to your + kernel sources in /usr/src/kernels/VERSION (where version is `uname -r`): + + cd /lib/modules/VERSION + ln -s /usr/src/kernels/VERSION build + + +3. If you've build the kernel modules but they won't load because of an + error like this: + + $ /sbin/modprobe drm + FATAL: Error inserting drm (/lib/modules/2.6.15-1.2054_FC5smp/kernel/drivers/char/drm/drm.ko): Invalid module format + + And 'dmesg|tail' says: + + drm: disagrees about version of symbol struct_module + + Try recompiling your drm modules without the Module.symvers file. + That is rm the /usr/src/kernels/2.6.15-1.2054_FC5-smp-i686/Module.symvers + file (or rename it). Then do a 'make clean' before rebuilding your drm + modules. + + -- cgit v1.2.3