drm/i915/display: move struct intel_link_m_n to intel_display_types.h

struct intel_crtc_state in intel_display_types.h actually needs the
struct intel_link_m_n definition, while intel_display.h only needs the
forward declaration.
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/1ec10e4415cf84c51b7eb51092e81876da0bc902.1667383630.git.jani.nikula@intel.com

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

@@ -53,6 +53,7 @@ struct intel_digital_port;
 struct intel_dp;
 struct intel_encoder;
 struct intel_initial_plane_config;
+struct intel_link_m_n;
 struct intel_load_detect_pipe;
 struct intel_plane;
 struct intel_plane_state;
@@ -287,15 +288,6 @@ enum aux_ch {
 
 #define aux_ch_name(a) ((a) + 'A')
 
-/* Used by dp and fdi links */
-struct intel_link_m_n {
-	u32 tu;
-	u32 data_m;
-	u32 data_n;
-	u32 link_m;
-	u32 link_n;
-};
-
 enum phy {
 	PHY_NONE = -1,
 

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

@@ -969,6 +969,15 @@ struct intel_mpllb_state {
 	u32 mpllb_sscstep;
 };
 
+/* Used by dp and fdi links */
+struct intel_link_m_n {
+	u32 tu;
+	u32 data_m;
+	u32 data_n;
+	u32 link_m;
+	u32 link_n;
+};
+
 struct intel_crtc_state {
 	/*
 	 * uapi (drm) state. This is the software state shown to userspace.