drm/i915/cnl: add IS_CNL_REVID macro

We're going to use it in the next commits.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Jim Bride <jim.bride@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1496781040-20888-5-git-send-email-rodrigo.vivi@intel.com

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0ab25ebd446227866eeec1d1a5f2e96c8543c485..f9632ea186c036b05e85763a9d43d945e0dc73ed 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2846,6 +2846,12 @@ intel_info(const struct drm_i915_private *dev_priv)
 #define IS_GLK_REVID(dev_priv, since, until) \
        (IS_GEMINILAKE(dev_priv) && IS_REVID(dev_priv, since, until))
 
+#define CNL_REVID_A0           0x0
+#define CNL_REVID_B0           0x1
+
+#define IS_CNL_REVID(p, since, until) \
+       (IS_CANNONLAKE(p) && IS_REVID(p, since, until))
+
 /*
  * The genX designation typically refers to the render engine, so render
  * capability related checks should use IS_GEN, while display and other checks