[3.2.y] drm/i915: add Ivy Bridge GT2 Server entries

Ben Hutchings ben at decadent.org.uk
Sun Oct 7 07:01:17 PDT 2012

On Mon, 2012-10-01 at 03:24 -0700, Jonathan Nieder wrote:
> Hi Ben,
> Please consider
>   cc22a938fc1d drm/i915: add Ivy Bridge GT2 Server entries, 2012-03-29
> for application to the 3.2.y tree.  It adds a PCI id to the i915
> driver, making kms work.  It was applied during the 3.4-rc2 cycle, so
> newer stable kernels don't need it.
> Maik Zumstrull tried it[1] on top of 3.2.30 and found it to work ok
> (thanks!).
> Note that pre-2.4.34 versions of libdrm don't cope well with that
> card, with or without this patch:
>  - with this patch, and with libdrm lacking 2.4.34~22 and 2.4.38~10,
>    X freezes at startup.
> "No regressions" means you probably shouldn't take this patch without
> a safety to work around the old X userspace,

Then this workaround is also required in mainline.  And once that's
done, I can take both patches.


Ben Hutchings
You can't have everything.  Where would you put it?
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