Canon EOS RP Instruction Manual page 598

Customizing Information Displayed When Shooting
Vertical Viewfinder Display
You can select how viewfinder information is displayed when you are
shooting still photos vertically.
Grid Display
A grid can be displayed on the screen and viewfinder.
390
1
Select [VF vertical display].
2
Select an item.
On
z
Information is automatically rotated,
making it easier to read.
Off
z
Information is not automatically rotated.
1
Select [Grid display].
2
Select an item.