AMDGPU_VRAM_TYPE_GDDR4 788 drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c return AMDGPU_VRAM_TYPE_GDDR4; AMDGPU_VRAM_TYPE_GDDR4 898 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c return AMDGPU_VRAM_TYPE_GDDR4; AMDGPU_VRAM_TYPE_GDDR4 1016 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c return AMDGPU_VRAM_TYPE_GDDR4;