[PATCH 05/11] drm/i915/cnl: add IS_CNL_REVID macro

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From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

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

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Reviewed-by: Jim Bride <jim.bride@xxxxxxxxxxxxxxx>
---
 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 ab823d3..81dd9e9 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2847,6 +2847,12 @@ static inline struct scatterlist *__sg_next(struct scatterlist *sg)
 #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
-- 
1.9.1

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