linux-kernel - Re: drm/i915 KMS regression in Linux 3.16-rc2 (with git bisect result)

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Message-ID: <CAJ7vePDbFBzwMCwOiDaNsoF0jJGwu76KxB4xFgcec2xTJJ3HJw@mail.gmail.com>
Date:	Sat, 28 Jun 2014 11:00:17 +0200
From:	Tom Van Braeckel <tomvanbraeckel@...il.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>,
	Tom Van Braeckel <tomvanbraeckel@...il.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	David Airlie <airlied@...ux.ie>, ville.syrjala@...ux.intel.com,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: Re: drm/i915 KMS regression in Linux 3.16-rc2 (with git bisect result)

>> There seems to be a regression in the upcoming Linux 3.16-rc2 release
>> candidate that I bisected down to this first bad commit:
>> [dbb42748ac4929987c1449ecb296b39ef8956b62] drm/i915: Move the C3 LP
>> write bit setup to gen3_init_clock_gating() for KMS.
>
> Can you attach the dmesg with rc2 and dbb4274 reverted?

Hmm, for some reason I started having a hard time reproducing the
issue on commit dbb4274.

I still have it on the 3.16-rc2 though and I'm doing another bisect.

The issue comes and goes during the bisect so let's see where it
leads... perhaps it turns out to be some configuration setting.
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