Macbook Pro Retina display problems

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On Tue, Jul 31, 2012 at 1:41 PM, Greg KH <gregkh at linuxfoundation.org> wrote:
> On Tue, Jul 31, 2012 at 12:06:28PM +1000, Dave Airlie wrote:
>> On Tue, Jul 31, 2012 at 8:33 AM, Greg KH <gregkh at linuxfoundation.org> wrote:
>> > Hi all,
>> >
>> > I'm trying to the the $Subject laptop up and running using the built-in
>> > Intel graphics chip:
>> >
>> > 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
>> >         Subsystem: Apple Inc. Device 00f7
>> >         Flags: bus master, fast devsel, latency 0, IRQ 53
>> >         Memory at c1400000 (64-bit, non-prefetchable) [size=4M]
>> >         Memory at b0000000 (64-bit, prefetchable) [size=256M]
>> >         I/O ports at 3000 [size=64]
>> >         Expansion ROM at <unassigned> [disabled]
>> >         Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
>> >         Capabilities: [d0] Power Management version 2
>> >         Capabilities: [a4] PCI Advanced Features
>> >         Kernel driver in use: i915
>> >
>> > And it seems that the xorg Intel driver just doesn't recognize it at
>> > all.
>> >
>> > Below is my Xorg.0.log file.  I'm using a 3.5.0 kernel (with a few minor
>> > hardware patches for other bits of this laptop that don't work with
>> > 3.5.0, but no changes to the graphics drivers.)
>> >
>> > Any ideas or patches I can try out?
>>
>> try writing an xorg.conf with a BusID in it and see if it works, most
>> likely the primary boot_vga detection is busted.
>
> Ah, I did that previously, it gave me a black screen and locked up.
> I'll get the log from that tomorrow and send it here.
>
> Note, we are switching from EFI framebuffer mode, so could that be an
> issue as well?
>
> And, just to make it fun, this laptop also has an nvidia chip in it, but
> someone else is working on getting the nouveau driver working on it, I
> was trying to stay away from that mess :)

Yeah the problem is most likely that the nvidia is connected to the screen :-)

I think mjg59 has been working on some stuff in this area lately as well.

Dave.


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