drm_fb_helper_pan_display 1456 drivers/gpu/drm/drm_fb_helper.c int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, drm_fb_helper_pan_display 315 include/drm/drm_fb_helper.h static inline int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,