[PATCH] drm/amd/display: add basic atomic check for cursor plane

[Simon Ser]

On Monday, March 30, 2020 2:59 PM, Kazlauskas, Nicholas <nicholas.kazlauskas at amd.com> wrote:

> We've been doing these checks for position before but I don't think we
> really need them. DC should be disabling the cursor when we ask for a
> position completely off the screen.
>
> I think that's better than rejecting the commit entirely at least.

I agree DC should be disabling the cursor in this case, however that's
not yet implemented right? I think implementing this feature is
orthogonal and should be done in a separate patch.

This patch simply copies over the cursor checks in the atomic check
function.