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Date: Mon, 8 Aug 2011 09:31:37 -0700
From: Jesse Barnes <jbarnes@...tuousgeek.org>
To: Keith Packard <keithp@...thp.com>
Cc: Dave Airlie <airlied@...hat.com>, intel-gfx@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 3/4] drm/i915: Fix PCH port pipe select in
CPT disable paths
On Sat, 6 Aug 2011 10:54:07 -0700
Keith Packard <keithp@...thp.com> wrote:
> CPT pipe select is different from previous generations (using two bits
> instead of one). All of the paths from intel_disable_pch_ports were
> not making this distinction.
>
> Mode setting with pipe A turned off would then also force all outputs
> on pipe B to get turned off as the disable code would mistakenly
> decide that all of these outputs were on pipe A and turn them off.
>
> This is an extension of the CPT DP disable fix (why didn't I fix this then?)
>
> Signed-off-by: Keith Packard <keithp@...thp.com>
> ---
> drivers/gpu/drm/i915/i915_reg.h | 13 ++-----
> drivers/gpu/drm/i915/intel_display.c | 60 ++++++++++++++++++++++++++++++---
> 2 files changed, 58 insertions(+), 15 deletions(-)
>
Reviewed-by: Jesse Barnes <jbarnes@...tuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
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