aperture_default_system  745 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c uint32_t aperture_default_system = 1;
aperture_default_system  761 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c 		MC_VM_SYSTEM_APERTURE_DEFAULT_SYSTEM, aperture_default_system, /* 1 = system physical memory */