On Sun, 07 Oct 2012 15:01:17 +0100, Ben Hutchings <ben at decadent.org.uk> wrote: > 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. The bugs Jonathan mentions are both in userspace packages; not recognising the existence of Bromlow, and then misprogramming it. There are no other kernel patches required specifically for this chipset, afaik. -Chris -- Chris Wilson, Intel Open Source Technology Centre
