How to fix DRV violations

 Max transition violations

• Upsize the cell.
• Insert a buffer when the net is dominant.
• Buffer can be replaced with inverter pair.
• Move the cells nearer.
• Vt swapping from HVT cells to LVT cells
• Metal width increases 
• Metal jogging from lower to higher metals

Max cap/Fanout

• Upsize the cell
• Load splitting.
• Cloning
• Swapping