drm/amdgpu: change the offset for VCN FW cache window

The signed header is added
Signed-off-by: NLeo Liu <leo.liu@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c

@@ -356,11 +356,8 @@ static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
 		offset = size;
-		/* No signed header for now from firmware
 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0,
 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
-		*/
-		WREG32_SOC15(UVD, inst, mmUVD_VCPU_CACHE_OFFSET0, 0);
 	}
 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE0, size);