drm/i915: implement WaDisableDopClockGatingisable on VLV and IVB
v2: use correct register
v3: remove extra hunks, pull in register definitions & offset check directly
v4: add GT1 vs GT2 distinction for IVB portion (Ben)
References: https://bugs.freedesktop.org/show_bug.cgi?id=50233
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 749e2d6..4bce44c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1125,6 +1125,9 @@
#define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042)
#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
#define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
+#define IS_IVB_GT1(dev) ((dev)->pci_device == 0x0156 || \
+ (dev)->pci_device == 0x0152 || \
+ (dev)->pci_device == 0x015a)
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)