drm/amdgpu: add structures for buffer allocate/release for rlc autoload

Allocate a visible framebuffer to store all gfxip ucodes as the format of TOC.

Signed-off-by: Le.Ma <Le.Ma@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed