FP_SYNC_END
regp->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
regp->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;