If a pinto parent is homozygous for their pinto pattern then the foal will always inherit the pinto pattern

Tobiano x Solid
-Tobiano
-Solid (if the tobiano parent is not homozygous)

Tobiano x Tobiano
-Tobiano
-Homozygous Tobiano
-Solid (if either parent is not homozygous)

Splashed White x Solid
-Splashed White (if the splashed white parent is not homozygous) *blue eyes possible
-Solid (if either parent is not homozygous)

Splashed White x Splashed White
-Splashed White *Blue eyes possible
-Homozygous Splashed White *Blue eyes guaranteed
-Solid

Splashed White x Tobiano
-Tobiano Splashed White *Blue eyes possible
-Tobiano
-Splashed White *Blue eyes possible
-Solid (if neither parent is homozygous for their pinto pattern)

Splashed White Tobiano x Solid
-Tobiano Splashed White *Blue eyes possible
-Tobiano
-Splashed White *Blue eyes possible
-Solid (if neither parent is homozygous for their pinto pattern)

Splashed White Tobiano x Tobiano
-Tobiano Splashed White *Blue eyes possible
-Tobiano
-Homozygous Tobiano
-Splashed White *Blue eyes possible
-Solid (if neither parent is homozygous for their pinto pattern)

Splashed White Tobiano x Splashed White
-Tobiano Splashed White *Blue eyes possible
-Tobiano
-Splashed White *Blue eyes possible
-Homozygous Splashed White *Blue eyes guaranteed
-Solid (if neither parent is homozygous for their pinto pattern)

Splashed White Tobiano x Splashed White Tobiano
-Tobiano Splashed White *Blue eyes possible
-Tobiano
-Splashed White *Blue eyes possible
-Homozygous Splashed White *Blue eyes guaranteed
-Homozygous Tobiano
-Homozygous Tobiano Homozygous Splashed White *Blue eyes guaranteed
-Solid (if neither parent is homozygous for either pinto pattern)