[v4 08/23] drm/i915: Add identifiers for intel color blocks

[Uma Shankar <uma.shankar@intel.com>]

From: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>

Add macros to identify intel color blocks. It will help
in mapping drm_color_ops to intel color HW blocks

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_limits.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_limits.h b/drivers/gpu/drm/i915/display/intel_display_limits.h
index f0fa27e365ab..97c960cc16aa 100644
--- a/drivers/gpu/drm/i915/display/intel_display_limits.h
+++ b/drivers/gpu/drm/i915/display/intel_display_limits.h
@@ -138,4 +138,17 @@ enum hpd_pin {
 	HPD_NUM_PINS
 };
 
+/*
+ * Intel Color Blocks
+ *
+ */
+
+enum intel_color_block {
+	CB_PLANE_PRE_CSC_LUT,
+	CB_PLANE_CSC,
+	CB_PLANE_POST_CSC_LUT,
+
+	I915_MAX_CB
+};
+
 #endif /* __INTEL_DISPLAY_LIMITS_H__ */
-- 
2.42.0