Are you using the latest version of the Crimson 15.11.1 Beta driver? We resolved some issues with Star Wars Battlefront.
Resolved Issues with AMD Radeon Software Crimson Edition 15.11.1 Update
Star Wars™: Battlefront - Snow flickers in a few locations in the game
Star Wars™: Battlefront - Sky rendering may be broken in some game locations
Star Wars™: Battlefront - Shadowy textures are visible around hills/structures/caves
You can download Crimson 15.11.1 Beta driver here.
If the issue persists after updating to 15.11.1, please report the issue here.
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