drm/i915: Add initial bits for VGA modesetting bringup on Sandybridge.

Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 25 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ec06d4865a5f..f97592609da4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1065,7 +1065,7 @@ 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)
@@ -1084,8 +1084,29 @@ 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 IS_GEN4(dev)    ((dev)->pci_device == 0x2972 ||         \
+                         (dev)->pci_device == 0x2982 ||         \
+                         (dev)->pci_device == 0x2992 ||         \
+                         (dev)->pci_device == 0x29A2 ||         \
+                         (dev)->pci_device == 0x2A02 ||         \
+                         (dev)->pci_device == 0x2A12 ||         \
+                         (dev)->pci_device == 0x2E02 ||         \
+                         (dev)->pci_device == 0x2E12 ||         \
+                         (dev)->pci_device == 0x2E22 ||         \
+                         (dev)->pci_device == 0x2E32 ||         \
+                         (dev)->pci_device == 0x2A42 ||         \
+                         (dev)->pci_device == 0x2E42)
+
 #define I915_NEED_GFX_HWS(dev)  (INTEL_INFO(dev)->need_gfx_hws)
 
+#define IS_GEN6(dev)    ((dev)->pci_device == 0x0102)
+
 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
  * rows, which changed the alignment requirements and fence programming.
  */
@@ -1106,6 +1127,9 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
 #define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
 
+#define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) || \
+                            IS_GEN6(dev))
+
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
 #endif