[PATCH 2/3][UBUNTU] drm/i915: Part of: Add initial bits for VGA modesetting bringup on Sandybridge.

[Surbhi Palande]

BugLink: http://launchpad.net/bugs/515246

This is a part of a upstream patch bad720ff3e8e47a04bd88d9bbc8317e7d7e049d3
needed for including the 6e6c822868f113dabe3c33bdd91e883cc28fa11b which solves
bugs on i915 when the ACPI bios is buggy.

Signed-off-by: Surbhi Palande <surbhi.palande at canonical.com>
---
 drivers/gpu/drm/i915/i915_drv.h      |    9 ++++++++-
 drivers/gpu/drm/i915/intel_display.c |    2 +-
 drivers/gpu/drm/i915/intel_lvds.c    |    2 +-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b99b6a8..6c02943 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1026,7 +1026,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define IS_845G(dev)		((dev)->pci_device == 0x2562)
 #define IS_I85X(dev)		((dev)->pci_device == 0x3582)
 #define IS_I865G(dev)		((dev)->pci_device == 0x2572)
-#define IS_I8XX(dev)		(INTEL_INFO(dev)->is_i8xx)
+#define IS_GEN2(dev)           (INTEL_INFO(dev)->is_i8xx)
 #define IS_I915G(dev)		(INTEL_INFO(dev)->is_i915g)
 #define IS_I915GM(dev)		((dev)->pci_device == 0x2592)
 #define IS_I945G(dev)		((dev)->pci_device == 0x2772)
@@ -1045,6 +1045,13 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define IS_I9XX(dev)		(INTEL_INFO(dev)->is_i9xx)
 #define IS_MOBILE(dev)		(INTEL_INFO(dev)->is_mobile)
 
+#define IS_GEN3(dev)   (IS_I915G(dev) ||                       \
+                        IS_I915GM(dev) ||                      \
+                        IS_I945G(dev) ||                       \
+                        IS_I945GM(dev) ||                      \
+                        IS_G33(dev) || \
+                        IS_PINEVIEW(dev))
+
 #define I915_NEED_GFX_HWS(dev)	(INTEL_INFO(dev)->need_gfx_hws)
 
 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b27202d..81c50e8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4451,7 +4451,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 			DRM_DEBUG_KMS("probing DP_D\n");
 			intel_dp_init(dev, DP_D);
 		}
-	} else if (IS_I8XX(dev))
+	} else if (IS_GEN2(dev))
 		intel_dvo_init(dev);
 
 	if (SUPPORTS_TV(dev))
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 93031a7..e91e81d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -661,7 +661,7 @@ static enum drm_connector_status intel_lvds_detect(struct drm_connector *connect
 	/* ACPI lid methods were generally unreliable in this generation, so
 	 * don't even bother.
 	 */
-	if (IS_I8XX(dev))
+	if (IS_GEN2(dev))
 		return connector_status_connected;
 
 	if (!dmi_check_system(bad_lid_status) && !acpi_lid_open())
-- 
1.6.3.3