drm/i915: move enum hpd_pin to intel_display.h

It's not the ideal location, but a better alternative than
i915_drv.h. The goal is to break the intel_display_types.h to i915_drv.h
dependency.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9f882eff78cdc6b28c18e73f5e53f57e413240dc.1638366969.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_display.h

@@ -346,6 +346,30 @@ enum phy_fia {
 	FIA3,
 };
 
+enum hpd_pin {
+	HPD_NONE = 0,
+	HPD_TV = HPD_NONE,     /* TV is known to be unreliable */
+	HPD_CRT,
+	HPD_SDVO_B,
+	HPD_SDVO_C,
+	HPD_PORT_A,
+	HPD_PORT_B,
+	HPD_PORT_C,
+	HPD_PORT_D,
+	HPD_PORT_E,
+	HPD_PORT_TC1,
+	HPD_PORT_TC2,
+	HPD_PORT_TC3,
+	HPD_PORT_TC4,
+	HPD_PORT_TC5,
+	HPD_PORT_TC6,
+
+	HPD_NUM_PINS
+};
+
+#define for_each_hpd_pin(__pin) \
+	for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++)
+
 #define for_each_pipe(__dev_priv, __p) \
 	for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \
 		for_each_if(INTEL_INFO(__dev_priv)->pipe_mask & BIT(__p))

drivers/gpu/drm/i915/i915_drv.h

@@ -117,30 +117,6 @@
 
 struct drm_i915_gem_object;
 
-enum hpd_pin {
-	HPD_NONE = 0,
-	HPD_TV = HPD_NONE,     /* TV is known to be unreliable */
-	HPD_CRT,
-	HPD_SDVO_B,
-	HPD_SDVO_C,
-	HPD_PORT_A,
-	HPD_PORT_B,
-	HPD_PORT_C,
-	HPD_PORT_D,
-	HPD_PORT_E,
-	HPD_PORT_TC1,
-	HPD_PORT_TC2,
-	HPD_PORT_TC3,
-	HPD_PORT_TC4,
-	HPD_PORT_TC5,
-	HPD_PORT_TC6,
-
-	HPD_NUM_PINS
-};
-
-#define for_each_hpd_pin(__pin) \
-	for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++)
-
 /* Threshold == 5 for long IRQs, 50 for short */
 #define HPD_STORM_DEFAULT_THRESHOLD 50