[Gta04-owner] PVR integration for Kernel 3.7 done

Dr. H. Nikolaus Schaller hns at goldelico.com
Wed Feb 13 17:18:50 CET 2013


Am 13.02.2013 um 15:09 schrieb Dr. H. Nikolaus Schaller:

> Finally, I think I have successfully integrated the PVR kernel driver
> into our 3.7 tree.
> 
> This needs some manual work since the last official package is missing
> some #ifdef and other changes after approx. Kernel 3.3 or 3.4.
> 
> And, since I am not using the build scripts provided by the SDK package
> but have integrated that into proper kernel Kconfig and Makefiles, I had
> done some mistakes in this process...
> 
> The final thing that needed to be patched was the initialization order
> of some modules leading to NULL pointer dereference kernel panics.
> 
> And one data structure was changed from using an embedded substruct
> to have a pointer to the substruct... This happens if kernel developers
> change APIs and our driver is not in mainline...
> 
> What I have disabled is DRI_DRM, i.e. it may not work well with X11.
> And, the kernel tree does not correctly compile if configured as a
> loadable kernel module.
> 
> Here are the changes:
> 
> <http://git.goldelico.com/?p=gta04-kernel.git;a=tree;f=drivers/gpu/pvr/omap3;hb=refs/heads/hw-validation-3.x>
> 
> I have also updated the documentation page so that you know how
> to get the user-space (non-free) components:
> 
> <http://projects.goldelico.com/p/gta04-kernel/page/Video-3D/>
> 
> These things are also available as packages in Ubuntu but I think
> they have some dependencies that we can't resolve in standard Debian.
> 
> If someone could research and explain the license situation, I could easily
> make a (non-free) .deb that contains all libraries, runtime and SDK picked
> out of the TI provided binaries. This would allow distros like QtMoko to simply
> preinstall the libs and runtime.
> 
> Finally, here are some hints about SGX troubleshooting:
> 
> <http://processors.wiki.ti.com/index.php/SGXDbg>

And here is a (very) short video showing the PVR/SGX in operation:

http://www.youtube.com/watch?v=gA7L_Y2iqWc




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