linux-kernel - [80/90] drm/i915: PineView only has LVDS and CRT ports

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Message-Id: <20091217011608.432875928@mini.kroah.org>
Date:	Wed, 16 Dec 2009 17:15:31 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Shaohua Li <shaohua.li@...el.com>,
	Zhenyu Wang <zhenyuw@...ux.intel.com>,
	Eric Anholt <eric@...olt.net>
Subject: [80/90] drm/i915: PineView only has LVDS and CRT ports

2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Zhenyu Wang <zhenyuw@...ux.intel.com>

commit 103a196f4224dc6872081305cf7f82ebf67aa7bd upstream.

PineView only has 2 ports for LVDS and CRT. Don't enable other
ports for it.

Cc: Shaohua Li <shaohua.li@...el.com>
Signed-off-by: Zhenyu Wang <zhenyuw@...ux.intel.com>
Signed-off-by: Eric Anholt <eric@...olt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/i915/i915_drv.h      |    4 ++++
 drivers/gpu/drm/i915/intel_display.c |    6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -838,6 +838,7 @@ extern int i915_wait_ring(struct drm_dev
 #define IS_I85X(dev) ((dev)->pci_device == 0x3582)
 #define IS_I855(dev) ((dev)->pci_device == 0x3582)
 #define IS_I865G(dev) ((dev)->pci_device == 0x2572)
+#define IS_I8XX(dev) (IS_I830(dev) || IS_845G(dev) || IS_I85X(dev) || IS_I865G(dev))
 
 #define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
 #define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
@@ -899,9 +900,12 @@ extern int i915_wait_ring(struct drm_dev
  */
 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
 						      IS_I915GM(dev)))
+#define SUPPORTS_DIGITAL_OUTPUTS(dev)	(IS_I9XX(dev) && !IS_IGD(dev))
 #define SUPPORTS_INTEGRATED_HDMI(dev)	(IS_G4X(dev) || IS_IGDNG(dev))
 #define SUPPORTS_INTEGRATED_DP(dev)	(IS_G4X(dev) || IS_IGDNG(dev))
 #define SUPPORTS_EDP(dev)		(IS_IGDNG_M(dev))
+#define SUPPORTS_TV(dev)		(IS_I9XX(dev) && IS_MOBILE(dev) && \
+					!IS_IGDNG(dev) && !IS_IGD(dev))
 #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_I965G(dev))
 /* dsparb controlled by hw only */
 #define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IGDNG(dev))
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3347,7 +3347,7 @@ static void intel_setup_outputs(struct d
 		if (I915_READ(PCH_DP_D) & DP_DETECTED)
 			intel_dp_init(dev, PCH_DP_D);
 
-	} else if (IS_I9XX(dev)) {
+	} else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) {
 		bool found = false;
 
 		if (I915_READ(SDVOB) & SDVO_DETECTED) {
@@ -3374,10 +3374,10 @@ static void intel_setup_outputs(struct d
 
 		if (SUPPORTS_INTEGRATED_DP(dev) && (I915_READ(DP_D) & DP_DETECTED))
 			intel_dp_init(dev, DP_D);
-	} else
+	} else if (IS_I8XX(dev))
 		intel_dvo_init(dev);
 
-	if (IS_I9XX(dev) && IS_MOBILE(dev) && !IS_IGDNG(dev))
+	if (SUPPORTS_TV(dev))
 		intel_tv_init(dev);
 
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {


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