AMD Catalyst Patch for kernel-3.4.x

After the kernel-3.3.x has been terminated (EOL), I decided to move to kernel-3.4.x. Unfortunately, this moving was not so easy since fglrx module could not be compiled for the kernel-3.4.x, in other words, this module needs to be patched. Referring to two references that I have written below, I have got the patch and have successfully patched fglrx module of AMD Catalyst-12.4 and AMD Catalyst-12.6Beta. You can download the patch from this link or just copy-paste a few lines below to your favorite text editor and saving it to a file:

--- lib/modules/fglrx/build_mod/firegl_public.c
+++ lib/modules/fglrx/build_mod/firegl_public.c.new
@@ -4181,7 +4184,11 @@ static int kasInitExecutionLevels(unsigned long level_init)
 {
     unsigned int p;
     KCL_DEBUG5(FN_FIREGL_KAS, "%d\n", level_init);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)
+    for_each_possible_cpu(p)
+#else
     for_each_cpu_mask(p, cpu_possible_map)
+#endif
     {
         KCL_DEBUG1(FN_FIREGL_KAS,"Setting initial execution level for CPU # %d\n", p);
         preempt_disable();

--- lib/modules/fglrx/build_mod/kcl_ioctl.c
+++ lib/modules/fglrx/build_mod/kcl_ioctl.c.new
@@ -217,6 +217,10 @@
  *  \param size [in] Number of bytes to allocate
  *  \return Pointer to allocated memory
  */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)
+DEFINE_PER_CPU(unsigned long, old_rsp);
+#endif
+
 void* ATI_API_CALL KCL_IOCTL_AllocUserSpace32(long size)
 {
     void __user *ret = COMPAT_ALLOC_USER_SPACE(size);

I used the following steps to install AMD Catalyst-12.4 or 12.6 Beta and patch the fglrx module:

• change directory to the path where the installer is
• run the installer as root (superuser): 
# ./amd-driver-installer-12-4-x86.x86_64.run
(change to ./amd-driver-installer-8.98-x86.x86_64.run for AMD Catalyst-12.6 Beta)
• follow the instructions, at the end of installation process you will get notice that there are some errors.
• exit the installer
• at console, copy the patch file (fglrx_kernel_3.4.0.patch) to /lib/modules/fglrx
• change directory to /lib/modules/fglrx
• patch the fglrx source:
# patch -p3 < fglrx_kernel_3.4.0.patch
• compile the fglrx modules:
# cd build_mod
# ./make.sh
# cd ..
# ./make_install.sh
• reboot.

Enjoy your AMD Catalyst-12.4 or AMD Catalyst-12.6 Beta!

References:

• http://cvs.rpmfusion.org/viewvc/rpms/catalyst-kmod/F-16/fglrx_kernel_3.4.0.patch?revision=1.3&root=nonfree&view=markup
• http://forums.opensuse.org/english/get-technical-help-here/tumbleweed/475575-warning-kernel-3-4-amd-catalyst-12-4-not-compatible.html#post2466327