Intel GPU kernel driver

[Kostik Belousov]

On Fri, Jul 08, 2011 at 12:20:39PM +0300, Kostik Belousov wrote:
> On Fri, Jul 08, 2011 at 01:22:08AM +0300, George Liaskos wrote:
> > On Thu, Jun 30, 2011 at 7:23 PM, Kostik Belousov <kostikbel at gmail.com> wrote:
> > > [Please remove current@ when replying.]
> > >
> > > I created the first code drop for the ongoing GEM/KMS project. Please
> > > note that this is not an end-user release, and even _not_ a call for
> > > testing. The project is not finished yet, and I expect quite more
> > > efforts from me even after the scheduled project end, and from ports/x11
> > > people, before the driver and usermode infrastructure will be ready for
> > > the general public consumption.
> > >
> > > That said, the patch is only of use for you now if you want to review,
> > > debug or otherwise help the project. The driver is known to be unstable,
> > > some parts are missing, some (esp. VM changes) are under the discussion
> > > and propably will be changed.
> > >
> > > If you have fix or useful bug analisys or suggestions for improvements,
> > > you are welcome. I will not answer to the support requests for this
> > > code now, please do not waste your time asking for it.
> > >
> > > The pointers to the patches, useful hints for debugging and bug
> > > reporting, and some notes are at the http://wiki.freebsd.org/Intel_GPU.
> > > I will maintain this page further.
> > >
> > > Current patch is ~50KLOC, it took quite an efforts to bring the code to
> > > the state where there is something to debug. Thanks for everybody who
> > > waited for it, and please be patient while the further work is done.
> > >
> > 
> > Hello Kostik,
> > 
> > I am trying to get my gm45 [0x2a428086] working with your
> > patches and i found a bug.
> > 
> > A call to agp_gen5_get_gtt_total_entries returns ENXIO, what i
> > found is that in my case (gcc1 & AGP_G4x_GCC1_SIZE_MASK) == 0xb00.
> > 
> > I did a cross check with Linux and there isn't such a valid value defined
> > but the Linux code does not error on default case, it continues with our
> > agp_i965_get_gtt_total_entries() equivalent.
> > 
> > After this change, X starts but the image has artifacts. It's progress :)
> > Thank you for your work!
> > 
> > xorg log: http://pastebin.com/a0zak5LY
> 
> Thank you for the report.
> 
> It seems that this is a typo in the agpreg.h. Please try all.3.6.patch.
> Xorg log is the least useful. I need boot verbose dmesg to look at the
> agp state.
Please use all.3.7.patch.

> 
> Also, please show me the screenshot of the corrupted screen.


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