drm: move the fb bpp/depth helper into the core.
This is used by nearly everyone including vmwgfx which doesn't generally
use the fb helper.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index a2fbf33..6718b18 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -902,4 +902,7 @@
void *data, struct drm_file *file_priv);
extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
+
+extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
+ int *bpp);
#endif /* __DRM_CRTC_H__ */