drm/radeon: Move radeon_align_pitch() next to dumb-buffer helpers

Move radeon_align_pitch() next to its caller in the dumb-buffer
code. Removes the only dependency on the radeon's fbdev source file
that is not related to fbdev emulation. No functional changes.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/radeon.h

@@ -530,6 +530,8 @@ struct radeon_gem {
 
 extern const struct drm_gem_object_funcs radeon_gem_object_funcs;
 
+int radeon_align_pitch(struct radeon_device *rdev, int width, int cpp, bool tiled);
+
 int radeon_gem_init(struct radeon_device *rdev);
 void radeon_gem_fini(struct radeon_device *rdev);
 int radeon_gem_object_create(struct radeon_device *rdev, unsigned long size,

drivers/gpu/drm/radeon/radeon_fb.c

@@ -87,31 +87,6 @@ static const struct fb_ops radeonfb_ops = {
 	.fb_imageblit = drm_fb_helper_cfb_imageblit,
 };
 
-
-int radeon_align_pitch(struct radeon_device *rdev, int width, int cpp, bool tiled)
-{
-	int aligned = width;
-	int align_large = (ASIC_IS_AVIVO(rdev)) || tiled;
-	int pitch_mask = 0;
-
-	switch (cpp) {
-	case 1:
-		pitch_mask = align_large ? 255 : 127;
-		break;
-	case 2:
-		pitch_mask = align_large ? 127 : 31;
-		break;
-	case 3:
-	case 4:
-		pitch_mask = align_large ? 63 : 15;
-		break;
-	}
-
-	aligned += pitch_mask;
-	aligned &= ~pitch_mask;
-	return aligned * cpp;
-}
-
 static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
 {
 	struct radeon_bo *rbo = gem_to_radeon_bo(gobj);

drivers/gpu/drm/radeon/radeon_gem.c

@@ -822,6 +822,30 @@ int radeon_gem_op_ioctl(struct drm_device *dev, void *data,
 	return r;
 }
 
+int radeon_align_pitch(struct radeon_device *rdev, int width, int cpp, bool tiled)
+{
+	int aligned = width;
+	int align_large = (ASIC_IS_AVIVO(rdev)) || tiled;
+	int pitch_mask = 0;
+
+	switch (cpp) {
+	case 1:
+		pitch_mask = align_large ? 255 : 127;
+		break;
+	case 2:
+		pitch_mask = align_large ? 127 : 31;
+		break;
+	case 3:
+	case 4:
+		pitch_mask = align_large ? 63 : 15;
+		break;
+	}
+
+	aligned += pitch_mask;
+	aligned &= ~pitch_mask;
+	return aligned * cpp;
+}
+
 int radeon_mode_dumb_create(struct drm_file *file_priv,
 			    struct drm_device *dev,
 			    struct drm_mode_create_dumb *args)

drivers/gpu/drm/radeon/radeon_mode.h

@@ -952,8 +952,6 @@ void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
 
 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
 
-int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
-
 int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder, int fe_idx);
 void radeon_atom_release_dig_encoder(struct radeon_device *rdev, int enc_idx);
 #endif