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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-04-06 12:11:14 -0700
committerKeith Packard <keithp@keithp.com>2011-05-13 17:03:38 -0700
commit85436696fefd55afdf8f4ce26ac044be72f2d492 (patch)
tree93df5731b82769e4c9d9fdee87d1de3b505370b2
parentf796cf8f517f13826bb691432b03c7b5da13e530 (diff)
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drm/i915: add IS_GEN7 macro to cover Ivy Bridge and later
Note: IS_GEN* are for render related checks. Display and other checks should use IS_MOBILE, IS_$CHIPSET or test for specific features. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4359697..8a0fa14 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -935,11 +935,18 @@ enum intel_chip_family {
#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
+/*
+ * The genX designation typically refers to the render engine, so render
+ * capability related checks should use IS_GEN, while display and other checks
+ * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
+ * chips, etc.).
+ */
#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
+#define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)