drm/i915/tgl: Add IS_TGL_REVID

We are going to need this macro on limiting
the workaround scope.

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-1-mika.kuoppala@linux.intel.com

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c46b339..f6aee1e 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1686,6 +1686,11 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_ICL_REVID(p, since, until) \
        (IS_ICELAKE(p) && IS_REVID(p, since, until))
 
+#define TGL_REVID_A0           0x0
+
+#define IS_TGL_REVID(p, since, until) \
+       (IS_TIGERLAKE(p) && IS_REVID(p, since, until))
+
 #define IS_LP(dev_priv)        (INTEL_INFO(dev_priv)->is_lp)
 #define IS_GEN9_LP(dev_priv)   (IS_GEN(dev_priv, 9) && IS_LP(dev_priv))
 #define IS_GEN9_BC(dev_priv)   (IS_GEN(dev_priv, 9) && !IS_LP(dev_priv))