I purchased this hood which works well, though there are a couple of "flaws":
Amazon.com: Kismaple Remote Controller Monitor Hood Sunshade Sun Hood for DJI Smart Controller Screen Sun Shade: Toys & Games
I wrote a review on Amazon, but the gist of it is the plastic clips that hold the hood in place are too tight, I fixed this by reaming the hole with a slightly larger drill bit an removed material from the throat of the clip. That worked fine.
The next problem, is the design of their mounting screws didn't work well with a neck strap which I find convenient to use. Solved that problem by fabricating a couple of stainless steel tangs as shown in the pics. Hopefully the hood mfg takes note.
View attachment 88438
View attachment 88437