linux-kernel - [PATCH] drm/i915: Add quirk to disable SSC on Sony Vaio Y2

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Message-ID: <4E2FFE8B.6060904@fedoraproject.org>
Date:	Wed, 27 Jul 2011 14:03:23 +0200
From:	Michel Alexandre Salim <salimma@...oraproject.org>
To:	Chris Wilson <chris@...is-wilson.co.uk>,
	Intel graphics <Intel-gfx@...ts.freedesktop.org>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	DRI devel <dri-devel@...ts.freedesktop.org>
Subject: [PATCH] drm/i915: Add quirk to disable SSC on Sony Vaio Y2

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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(-)

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)
- -- 
1.7.6

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