drm/i915/fb: move intel_fb_align_height() to intel_fb.c

Split out fb related stuff from intel_display.c to intel_fb.c.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7c97d29eeff676b510eafd242e2a6d7c8ed4a3a6.1629721467.git.jani.nikula@intel.com

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

@@ -879,15 +879,6 @@ intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
 	       info->num_planes == (is_ccs_modifier(modifier) ? 4 : 2);
 }
 
-unsigned int
-intel_fb_align_height(const struct drm_framebuffer *fb,
-		      int color_plane, unsigned int height)
-{
-	unsigned int tile_height = intel_tile_height(fb, color_plane);
-
-	return ALIGN(height, tile_height);
-}
-
 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info)
 {
 	unsigned int size = 0;

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

@@ -548,8 +548,6 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv);
 unsigned int intel_fb_xy_to_linear(int x, int y,
 				   const struct intel_plane_state *state,
 				   int plane);
-unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
-				   int color_plane, unsigned int height);
 void intel_add_fb_offsets(int *x, int *y,
 			  const struct intel_plane_state *state, int plane);
 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);

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

@@ -163,6 +163,15 @@ unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_pla
 	return fb->pitches[color_plane] * tile_height;
 }
 
+unsigned int
+intel_fb_align_height(const struct drm_framebuffer *fb,
+		      int color_plane, unsigned int height)
+{
+	unsigned int tile_height = intel_tile_height(fb, color_plane);
+
+	return ALIGN(height, tile_height);
+}
+
 unsigned int intel_cursor_alignment(const struct drm_i915_private *i915)
 {
 	if (IS_I830(i915))

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

@@ -31,7 +31,8 @@ unsigned int intel_tile_size(const struct drm_i915_private *i915);
 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
-
+unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
+				   int color_plane, unsigned int height);
 unsigned int intel_cursor_alignment(const struct drm_i915_private *i915);
 
 void intel_fb_plane_get_subsampling(int *hsub, int *vsub,

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

@@ -45,6 +45,7 @@
 
 #include "i915_drv.h"
 #include "intel_display_types.h"
+#include "intel_fb.h"
 #include "intel_fbdev.h"
 #include "intel_frontbuffer.h"