From: Jani Nikula <jani.nikula@linux.intel.com>
To: "Lu, Ran" <hephooey@gmail.com>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: Help to enable Iris Pro on Retina MBP 11.3
Date: Tue, 07 Jan 2014 10:02:02 +0200 [thread overview]
Message-ID: <87mwj8cj9h.fsf@intel.com> (raw)
In-Reply-To: <1420080.HpJ4UCjVfA@rmbp>
On Mon, 06 Jan 2014, "Lu, Ran" <hephooey@gmail.com> wrote:
> I just got a Retina MBP with Iris Pro and Nvidia GT 750. The iGPU works in
> OSX(Mavericks), but when I boot into Linux, the device was disabled. I
> debugged the kernel a little, apparently when pci_bus_read_dev_vendor_id is
> called for PCI 00:2.0 (the intel gpu), it returns -1 which indicates the
> device is disabled.
>
> I can check all the registers in grub using setpci or pcidump, so it seems
> before boot into the kernel the device is actually online, and I am looking
> for some magical registers that I can set to enable the device. I did a ioreg
> -l in OSX and the information about Iris Pro looks like this:
Kernel version? Dmesg from early boot with drm.debug=0xe module
parameter?
BR,
Jani.
--
Jani Nikula, Intel Open Source Technology Center
next prev parent reply other threads:[~2014-01-07 7:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-05 23:20 Help to enable Iris Pro on Retina MBP 11.3 Lu, Ran
2014-01-07 8:02 ` Jani Nikula [this message]
2014-01-07 21:14 ` Lu, Ran
2014-01-08 9:12 ` Jani Nikula
2014-01-08 9:18 ` Dave Airlie
2014-01-08 14:53 ` Lu, Ran
2014-01-08 13:46 ` Steven Newbury
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