drm/i915: Add quirk to disable SSC on Sony Vaio Y2

Commit Message

Michel Alexandre Salim July 27, 2011, 12:12 p.m. UTC

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On 07/27/2011 02:03 PM, Michel Alexandre Salim wrote:
> Using the new quirk added to support disabling SSC on Lenovo U160
> (#36656, commit 435793dfb8aec7b2e19f72d5bce8a22fd0b57839), also
> register the Vaio as a special case and disable SSC for it.
>
Apologies; Thunderbird mangled the patch. I'm attaching it to make sure
it arrives intact.

- -- 
Michel Alexandre Salim
µblog:      http://identi.ca/hircus
            http://twitter.com/hircus
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From dc5ed070efda5e4d3c8aed79f9b3e2c97c489fcb Mon Sep 17 00:00:00 2001
From: Michel Alexandre Salim <[e-mail]>
Date: Wed, 27 Jul 2011 10:08:25 +0200
Subject: [PATCH] drm/i915: Add quirk to disable SSC on Sony Vaio Y2

Using the new quirk added to support disabling SSC on Lenovo U160
(#36656, commit 435793dfb8aec7b2e19f72d5bce8a22fd0b57839), also register
the Vaio as a special case and disable SSC for it.

This patch fixes #34437 on fdo bugzilla:
https://bugs.freedesktop.org/show_bug.cgi?id=34437
---
 drivers/gpu/drm/i915/intel_display.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0f1c799..11eb831 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7851,6 +7851,9 @@  struct intel_quirk intel_quirks[] = {
 
 	/* Lenovo U160 cannot use SSC on LVDS */
 	{ 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
+
+	/* Sony Vaio Y cannot use SSC on LVDS */
+	{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
 };
 
 static void intel_init_quirks(struct drm_device *dev)