[git pull] drm tree for 3.12-rc1

Sean V Kelley sean.v.kelley at intel.com
Mon Sep 9 23:25:13 PDT 2013

On Thu, Sep 5, 2013 at 12:18 PM, Linus Torvalds
<torvalds at linux-foundation.org> wrote:
> On Thu, Sep 5, 2013 at 3:41 AM, Dave Airlie <airlied at linux.ie> wrote:
>> i915: Haswell PC8+ support and eLLC support, HDMI 4K support, initial per-process VMA pieces,
>>       watermark reworks, convert to generic hdmi infoframes, encoder reworking, fastboot support,
> Hmm.
> The first time I booted this, I just got a black screen on my Haswell
> desktop when X11 started up.  I could ctrl-alt-BS and ctrl-alt-del to
> reboot the machine, and neither the Xorg.0.log nor the dmesg contained
> anything interesting.
> I was about to try to bisect it, but decided to see how repeatable it
> was, and it didn't happen again. But it also hasn't ever happened
> before, so I'm a bit worried.
> This is with the DP cable, which has made my other Haswell issues go away.
> I'm also a bit bummed that hw acceleration of video doesn't seem to
> work on Haswell, meaning that full-screen is now a jerky mess. I fear
> that that is user-space libraries/X.org, but I thought I'd mention it
> in the hope of getting a "oh, it's working for us, you'll get a fix
> for it soon".


Can you give a little more detail about video not working?  Video
accel should work fine with the current versions of libva/intel-driver
available in Fedora 19 - assuming that's what you're using.  I am
running that on my MacBook Air 2013 and  HSW based Asus quad core i7
desktop.   A quick way to exercise the decoders once you install
libva/intel-driver is to use VLC enabling GPU acceleration in


> Because my shiny new 65W haswell is really nice and does a "make
> allmodconfig" in half the time of my old machine, but the GPU side has
> been something of a step backwards...
>                Linus
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Sean V. Kelley <sean.v.kelley at intel.com>
Open Source Technology Center / SSG
Intel Corp.

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