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Subject: Re: [PULL] drm-intel-fixes
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Dave Airlie <airlied@gmail.com>,
        intel-gfx <intel-gfx@lists.freedesktop.org>,
        DRI <dri-devel@lists.freedesktop.org>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Daniel Vetter <daniel.vetter@ffwll.ch>
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On Fri, Aug 8, 2014 at 1:52 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Got this while bisecting. I'm not sure it's related

It's not.

The actual bug was panel self refresh. It's still broken, and doesn't
work. So enabling it by default was a big mistake (commit
b6d547791fd3: "drm/i915: Enable PSR by default.")

I've reverted that commit, you guys can try again with PSR for the
next kernel release if somebody figures out how to get the damn thing
*out* of panel self-refresh (because that's what I'm assuming is going
on: the graphics may still work fine, but nothing updates on the panel
any more).

                   Linus