drm/i915/cdclk: make struct intel_cdclk_state opaque

With all the code touching struct intel_cdclk_state moved inside
intel_cdclk.c, we move the struct definition there too, and make the
type opaque. This nicely reduces includes from intel_cdclk.h.

Reviewed-by: Imre Deak <[e-mail]>
Link: https://lore.kernel.org/r/2b5[e-mail]
Signed-off-by: Jani Nikula <[e-mail]>

drivers/gpu/drm/i915/display/intel_cdclk.c

···
  * dividers can be programmed correctly.
  */
 
+struct intel_cdclk_state {
+	struct intel_global_state base;
+
+	/*
+	 * Logical configuration of cdclk (used for all scaling,
+	 * watermark, etc. calculations and checks). This is
+	 * computed as if all enabled crtcs were active.
+	 */
+	struct intel_cdclk_config logical;
+
+	/*
+	 * Actual configuration of cdclk, can be different from the
+	 * logical configuration only when all crtc's are DPMS off.
+	 */
+	struct intel_cdclk_config actual;
+
+	/* minimum acceptable cdclk to satisfy bandwidth requirements */
+	int bw_min_cdclk;
+	/* minimum acceptable cdclk for each pipe */
+	int min_cdclk[I915_MAX_PIPES];
+	/* minimum acceptable voltage level for each pipe */
+	u8 min_voltage_level[I915_MAX_PIPES];
+
+	/* pipe to which cd2x update is synchronized */
+	enum pipe pipe;
+
+	/* forced minimum cdclk for glk+ audio w/a */
+	int force_min_cdclk;
+
+	/* bitmask of active pipes */
+	u8 active_pipes;
+
+	/* update cdclk with pipes disabled */
+	bool disable_pipes;
+};
+
 struct intel_cdclk_funcs {
 	void (*get_cdclk)(struct intel_display *display,
 			  struct intel_cdclk_config *cdclk_config);

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

···
 
 #include <linux/types.h>
 
-#include "intel_display_limits.h"
-#include "intel_global_state.h"
-
+enum pipe;
 struct intel_atomic_state;
+struct intel_cdclk_state;
 struct intel_crtc;
 struct intel_crtc_state;
 struct intel_display;
···
 	u8 voltage_level;
 	/* This field is only valid for Xe2LPD and above. */
 	bool joined_mbus;
-};
-
-struct intel_cdclk_state {
-	struct intel_global_state base;
-
-	/*
-	 * Logical configuration of cdclk (used for all scaling,
-	 * watermark, etc. calculations and checks). This is
-	 * computed as if all enabled crtcs were active.
-	 */
-	struct intel_cdclk_config logical;
-
-	/*
-	 * Actual configuration of cdclk, can be different from the
-	 * logical configuration only when all crtc's are DPMS off.
-	 */
-	struct intel_cdclk_config actual;
-
-	/* minimum acceptable cdclk to satisfy bandwidth requirements */
-	int bw_min_cdclk;
-	/* minimum acceptable cdclk for each pipe */
-	int min_cdclk[I915_MAX_PIPES];
-	/* minimum acceptable voltage level for each pipe */
-	u8 min_voltage_level[I915_MAX_PIPES];
-
-	/* pipe to which cd2x update is synchronized */
-	enum pipe pipe;
-
-	/* forced minimum cdclk for glk+ audio w/a */
-	int force_min_cdclk;
-
-	/* bitmask of active pipes */
-	u8 active_pipes;
-
-	/* update cdclk with pipes disabled */
-	bool disable_pipes;
 };
 
 void intel_cdclk_init_hw(struct intel_display *display);