Symbol: is_dsb_busy
drivers/gpu/drm/i915/display/intel_dsb.c
883
if (is_dsb_busy(display, pipe, dsb->id)) {
drivers/gpu/drm/i915/display/intel_dsb.c
916
ret = poll_timeout_us(is_busy = is_dsb_busy(display, pipe, dsb->id),