drm/i915/sprite: move sprite_name() to intel_sprite.c

Move sprite_name() where its only user is, and convert it to a function,
removing the implicit dev_priv usage.
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/20231011202259.1090131-1-jani.nikula@intel.com

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

@@ -105,7 +105,6 @@ enum i9xx_plane_id {
 };
 
 #define plane_name(p) ((p) + 'A')
-#define sprite_name(p, s) ((p) * DISPLAY_RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
 
 #define for_each_plane_id_on_crtc(__crtc, __p) \
 	for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \

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

@@ -48,6 +48,11 @@
 #include "intel_frontbuffer.h"
 #include "intel_sprite.h"
 
+static char sprite_name(struct drm_i915_private *i915, enum pipe pipe, int sprite)
+{
+	return pipe * DISPLAY_RUNTIME_INFO(i915)->num_sprites[pipe] + sprite + 'A';
+}
+
 static void i9xx_plane_linear_gamma(u16 gamma[8])
 {
 	/* The points are not evenly spaced. */
@@ -1636,7 +1641,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
 				       0, plane_funcs,
 				       formats, num_formats, modifiers,
 				       DRM_PLANE_TYPE_OVERLAY,
-				       "sprite %c", sprite_name(pipe, sprite));
+				       "sprite %c", sprite_name(dev_priv, pipe, sprite));
 	kfree(modifiers);
 
 	if (ret)