[linux-yocto] [yocto-4.12][PATCH 11/36] drm/i915/cnl: add IS_CNL_REVID macro

[Liwei Song]

From: Paulo Zanoni <paulo.r.zanoni at intel.com>

commit 3c2e0fd92c194f495aaa8a8a1c86ea1b8c4bd304 upstream.

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

Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Reviewed-by: Jim Bride <jim.bride at linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1496781040-20888-5-git-send-email-rodrigo.vivi@intel.com
Signed-off-by: Liwei Song <liwei.song.lsong at gmail.com>
---
 drivers/gpu/drm/i915/i915_drv.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index da76f2823922..6f298b39d019 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2831,6 +2831,12 @@ 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
-- 
2.7.4