[Patch] Disabling the pipe A quirk for the Fujitsu S6010

[Thomas Richter <richter@rus.uni-stuttgart.de>]

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Hi Daniel, hi others,

please find a patch attached that disables the pipe A quirk for the 
Fujitsu S6010. I will probably add a line for the R31 later, I only
need to add the model number.

How is the watermark-alignment patch for the 830 doing, btw?

Greetings,
	Thomas


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>From 2006abcd850f8c0995153ffb491efd590103f17f Mon Sep 17 00:00:00 2001
From: thor <thor@math.tu-berlin.de>
Date: Mon, 2 Jun 2014 17:32:55 +0200
Subject: [PATCH 2/2] Disabling the pipe A quirk for the Fujitsu S6010.

Signed-off-by: thor <thor@math.tu-berlin.de>
---
 drivers/gpu/drm/i915/intel_display.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 54095d4..02b6525 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11535,6 +11535,18 @@ static void quirk_pipea_force(struct drm_device *dev)
 }
 
 /*
+ * Some 830 based systems do not work with the pipe A quirk
+ * correctly since they do not use pipe A in first place
+ */
+static void quirk_disable_pipea_force(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	dev_priv->quirks &= ~QUIRK_PIPEA_FORCE;
+	DRM_INFO("removing the pipe a force quirk for this hardware\n");
+}
+
+/*
  * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
  */
 static void quirk_ssc_force_disable(struct drm_device *dev)
@@ -11603,6 +11615,9 @@ static struct intel_quirk intel_quirks[] = {
 	/* 830 needs to leave pipe A & dpll A up */
 	{ 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
 
+	/* However, do not enable the quirk on S6010 */
+	{ 0x3577, 0x10cf, 0x113c, quirk_disable_pipea_force },
+
 	/* Lenovo U160 cannot use SSC on LVDS */
 	{ 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
 
-- 
1.7.10.4


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