You can probably just dedicate 1GB for the framebuffer, and then let Linux dynamically allocate memory to it at runtime. As far as I can tell this doesn't impact performance, so there's no downside. (Older AMD stacks required a static partitioning under Linux, I think).
You can probably just dedicate 1GB for the framebuffer, and then let Linux dynamically allocate memory to it at runtime. As far as I can tell this doesn't impact performance, so there's no downside. (Older AMD stacks required a static partitioning under Linux, I think).