Symbol: NVKM_RAM_TYPE_GDDR4
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.c
230
[NVKM_RAM_TYPE_GDDR4 ] = "GDDR4",
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c
561
case 3: type = NVKM_RAM_TYPE_GDDR4; break;