Use amdgpu_gmc_vram_pa and amdgpu_gmc_vram_cpu_pa
to simplify codes. No logic change.
Signed-off-by: NOak Zeng <Oak.Zeng@amd.com>
Signed-off-by: NHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Acked-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>