android_hardware_intel_img_libdrm's Introduction
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 radeon.ko). The kernel device modules are not shipped with libdrm releases and should only be built from the git tree by developers and bleeding-edge testers of non-Intel hardware. The Intel kernel modules are developed in the Linux kernel tree. 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 from the git tree: 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.
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