drm/amdgpu: Get package types for smuio v13.0

Add support to query package types supported in smuio v13.0 ASICs.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c b/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c
index 13e905c225924b681b16032bda12e23a394d057c..bf8b8e5ddf5d8e18ff8273405ba596c53600b898 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c
@@ -128,6 +128,27 @@ static bool smuio_v13_0_is_host_gpu_xgmi_supported(struct amdgpu_device *adev)
        return data ? true : false;
 }
 
+static enum amdgpu_pkg_type smuio_v13_0_get_pkg_type(struct amdgpu_device *adev)
+{
+       enum amdgpu_pkg_type pkg_type;
+       u32 data;
+
+       data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG);
+       data = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, TOPOLOGY_ID);
+
+       switch (data) {
+       case 0x4:
+       case 0xC:
+               pkg_type = AMDGPU_PKG_TYPE_CEM;
+               break;
+       default:
+               pkg_type = AMDGPU_PKG_TYPE_OAM;
+               break;
+       }
+
+       return pkg_type;
+}
+
 const struct amdgpu_smuio_funcs smuio_v13_0_funcs = {
        .get_rom_index_offset = smuio_v13_0_get_rom_index_offset,
        .get_rom_data_offset = smuio_v13_0_get_rom_data_offset,
@@ -136,4 +157,5 @@ const struct amdgpu_smuio_funcs smuio_v13_0_funcs = {
        .is_host_gpu_xgmi_supported = smuio_v13_0_is_host_gpu_xgmi_supported,
        .update_rom_clock_gating = smuio_v13_0_update_rom_clock_gating,
        .get_clock_gating_state = smuio_v13_0_get_clock_gating_state,
+       .get_pkg_type = smuio_v13_0_get_pkg_type,
 };