From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [3.2.y] drm/i915: add Ivy Bridge GT2 Server entries Date: Sun, 07 Oct 2012 15:11:08 +0100 Message-ID: References: <20120729113605.5102.7805.reportbug@antares.zumstrull.net> <20120929235234.GA13098@elie.Belkin> <20121001102432.GA8959@elie.Belkin> <1349618477.16173.89.camel@deadeye.wl.decadent.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1349618477.16173.89.camel@deadeye.wl.decadent.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Ben Hutchings , Jonathan Nieder , dri-devel@lists.freedesktop.org Cc: Maik Zumstrull , intel-gfx@lists.freedesktop.org, stable@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org On Sun, 07 Oct 2012 15:01:17 +0100, Ben Hutchings 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