If CONFIG_DRM_AMDGPU=y and CONFIG_DRM_AMD_DC is not set, gcc complained about unused-function : drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1705:13: error: ‘amdgpu_discovery_set_sriov_display’ defined but not used [-Werror=unused-function] static void amdgpu_discovery_set_sriov_display(struct amdgpu_device *adev) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors To fix this error, use CONFIG_DRM_AMD_DC to wrap the definition of amdgpu_discovery_set_sriov_display(). Fixes: 25263da37693 ("drm/amdgpu: rework SR-IOV virtual display handling") Signed-off-by: Ren Zhijie <renzhijie2@xxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 6b48178455bc..2509341df92d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -1702,11 +1702,13 @@ static int amdgpu_discovery_set_smu_ip_blocks(struct amdgpu_device *adev) return 0; } +#if defined(CONFIG_DRM_AMD_DC) static void amdgpu_discovery_set_sriov_display(struct amdgpu_device *adev) { amdgpu_device_set_sriov_virtual_display(adev); amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block); } +#endif static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev) { -- 2.17.1