drm/amdgpu: add ta DTM/HDCP print in amdgpu_firmware_info for apu

It needs to add ta DTM/HDCP print to get HDCP/DTM version info when cat
amdgpu_firmware_info
Signed-off-by: Changfeng <Changfeng.Zhu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -282,14 +282,25 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
 		fw_info->feature = 0;
 		break;
 	case AMDGPU_INFO_FW_TA:
-		if (query_fw->index > 1)
-			return -EINVAL;
-		if (query_fw->index == 0) {
+		switch (query_fw->index) {
+		case 0:
 			fw_info->ver = adev->psp.ta_fw_version;
 			fw_info->feature = adev->psp.ta_xgmi_ucode_version;
-		} else {
+			break;
+		case 1:
 			fw_info->ver = adev->psp.ta_fw_version;
 			fw_info->feature = adev->psp.ta_ras_ucode_version;
+			break;
+		case 2:
+			fw_info->ver = adev->psp.ta_fw_version;
+			fw_info->feature = adev->psp.ta_hdcp_ucode_version;
+			break;
+		case 3:
+			fw_info->ver = adev->psp.ta_fw_version;
+			fw_info->feature = adev->psp.ta_dtm_ucode_version;
+			break;
+		default:
+			return -EINVAL;
 		}
 		break;
 	case AMDGPU_INFO_FW_SDMA:
@@ -1385,13 +1396,31 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
 		   fw_info.feature, fw_info.ver);
 
 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
-	for (i = 0; i < 2; i++) {
+	for (i = 0; i < 4; i++) {
 		query_fw.index = i;
 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
 		if (ret)
 			continue;
-		seq_printf(m, "TA %s feature version: %u, firmware version: 0x%08x\n",
-				i ? "RAS" : "XGMI", fw_info.feature, fw_info.ver);
+		switch (query_fw.index) {
+		case 0:
+			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
+					"RAS", fw_info.feature, fw_info.ver);
+			break;
+		case 1:
+			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
+					"XGMI", fw_info.feature, fw_info.ver);
+			break;
+		case 2:
+			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
+					"HDCP", fw_info.feature, fw_info.ver);
+			break;
+		case 3:
+			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
+					"DTM", fw_info.feature, fw_info.ver);
+			break;
+		default:
+			return -EINVAL;
+		}
 	}
 
 	/* SMC */