P_GPLL6_GFX3D
F(240000000, P_GPLL6_GFX3D, 4.5, 0, 0),
F(360000000, P_GPLL6_GFX3D, 3, 0, 0),
F(432000000, P_GPLL6_GFX3D, 2.5, 0, 0),
F(540000000, P_GPLL6_GFX3D, 2, 0, 0),
{ P_GPLL6_GFX3D, 3 },