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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index 03321fb4a703..33fd523c4622 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -1,5 +1,5 @@
/*
- * Copyright © 2006-2017 Intel Corporation
+ * Copyright © 2006-2019 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -182,6 +182,24 @@ enum plane_id {
for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
for_each_if((__crtc)->plane_ids_mask & BIT(__p))
+enum port {
+ PORT_NONE = -1,
+
+ PORT_A = 0,
+ PORT_B,
+ PORT_C,
+ PORT_D,
+ PORT_E,
+ PORT_F,
+ PORT_G,
+ PORT_H,
+ PORT_I,
+
+ I915_MAX_PORTS
+};
+
+#define port_name(p) ((p) + 'A')
+
/*
* Ports identifier referenced from other drivers.
* Expected to remain stable over time